dotConnect for Oracle

dotConnect for Oracle History

This page lists the functionality added in each version of dotConnect for Oracle. To view the full changelog including bug fixes, consult the dotConnect for Oracle revision history.

New features in dotConnect for Oracle 10.1

The current build is 10.3.10 from 17-Jan-2024

Visual Studio 2022 version 17.5 Preview is supported
.NET 7 compatibility

Entity Framework:

Entity Framework Core 7.0.2 is supported
Entity Framework Core 6.0.13 is supported
Entity Framework Core 3.1.32 is supported

New features in dotConnect for Oracle 10.0

.NET 6 compatibility.
macOS 11 Arm64 (or "Apple Silicon" or "Apple M1") support.
Windows 11 is supported.
Visual Studio 2022 version 17.2 is supported.
Visual Studio 2022 version 17.3 Preview is supported.

Entity Framework:

Entity Framework Core 6.0.5 is supported.
Entity Framework Core 5.0.17 is supported.
Entity Framework Core 3.1.25 is supported.

Entity Developer:

64-bit version of standalone Entity Developer application is added.
64-bit version of console Entity Developer application is added.

New features in dotConnect for Oracle 9.16

The current build is 10.3.10 from 17-Jan-2024

Entity Developer

The behavior is changed: turning off the "Save connection to" option in Model Settings of EF Core Model wipes out connection string literal from the generated code

Entity Framework

The SQL translation of the following class members used in LINQ query is supported in EF Core 3, EF Core 5, EF Core 6

static method IsNullOrWhiteSpace() of the String class
static property Today and instance property DayOfWeek of the DateTime class
static methods Sqrt(), Max(), Min(), Log(), Log10(), Sin(), Cos(), Tan(), Asin(), Acos(), Atan(), Atan2(), Sinh(), Cosh(), Tanh() of the Math class

The SQL translation of the following class members used in LINQ query is supported in EF Core 5 and EF Core 6:

static methods Abs(), Round(), Truncate(), Floor(), Ceiling(), Pow(), Sqrt(), Max(), Min(), Log(), Log10(), Sin(), Cos(), Tan(), Asin(), Acos(), Atan(), Atan2(), Sinh(), Cosh(), Tanh() of the MathF class

The SQL translation of the following class members used in LINQ query is supported in EF Core 6:

static method Log2() of the Math and MathF classes

Mapping of internet/intranet data type System.Uri to Oracle string data types is supported in EF Core 3, EF Core 5, EF Core 6
Mapping of network data types System.Net.IPAddress and System.Net.NetworkInformation.PhysicalAddress to Oracle string data types is supported in EF Core 5 and EF Core 6
Mapping of Oracle object types like MDSYS.SDO_GEOMETRY or Oracle user-defined object datatypes in a database to the OracleObject class in EF Core 3, EF Core 5, EF Core 6 is supported
The config.SpatialOptions.PreferSpatialOperators configuration option is added (default value is False) to provide the possibility of using spatial operators instead of functions from the SDO_GEOM package

New features in dotConnect for Oracle 9.15

The type converter of the OracleTimeStamp structure is improved for converting to/from DateTime and DateTimeOffset

Entity Developer

The model validation is improved: the errors are generated for all entities with QueryType=True in EF Core Model when EF Core version=EF Core 1 in Model Settings

Entity Framework

Entity Framework Core 6.0.1 is supported
Entity Framework Core 5.0.13 is supported
Entity Framework Core 3.1.22 is supported
The config.SpatialOptions settings are supported in EF Core
NetTopologySuite 2.4.0 is supported in EF Core 3, EF Core 5, and EF Core 6

New features in dotConnect for Oracle 9.14

Visual Studio 2019 version 16.11 Preview 2.0 is supported
The new command line option /disablegac that disables adding assemblies to GAC is added
Additional mode of parameter substitution in the query in the SSIS Data Flow Source component: substitution as is, without escaping

LinqConnect (formerly known as LINQ to Oracle)

The new property Local is added to the Table and Table<T> classes to return a collection of the entities attached to the context
The new method GetEntityState(object entity) is added to Table class and ITable interface to return one of the EntityState values
The new methods IsNotDistinctFrom() and IsDistinctFrom() are added to the Devart.Data.Linq.SqlMethods class

Entity Developer

The new features are supported in Entity Framework 5.0:

TPT inheritance
Many-to-many associations
The new types of properties IPAddress and PhysicalAddress

The Model Refactoring functionality is supported for classes in EF Core Model
The new attribute DisplayName is implemented for model objects' extended properties which are available via template properties
The new options --ContextNamespace and --DefaultNamespace are added to the Create-Model command of Console Entity Developer
The new extended model property Base Context Type is added for specifying a parent class for the generated context in EF Core Model
The new extended properties Base Type for complex types and Base Complex Type for model are implemented in EF Core Model
The %type name% keyword is supported in the Base Type extended property of entities and complex types, and in Base Complex Type, Base Entity Type, Base Context Type extended model properties for setting generic base type in EF Core Model
The new hotkey Alt+E is implemented in Property Editor for opening Column Editor in EF Core Model
.NET 6.0 is added to the list of available Target Framework versions in Create Model Wizard and Model Settings in EF Core, EF6, LinqConnect models
The new extended property Record Type is added for classes in the case of C# EF Core template to generate records instead of classes in C# 9.0 or higher and .NET 5 or higher
The new options "Private setter for store generated properties" and "Constructor parameter" are added to Model Settings in EF Core for controlling visibility of setter for store generated properties
The new options "Don't show this message again" in the prompt window and "Prompt before generating code when there are model validation warnings" in the menu Options are implemented in a standalone Entity Developer to provide the ability not to stop code generation by warnings
The new extended property Do Not Generate Default Constructor is added to EF Core Model for model, classes, and complex types
The new extended property Do Not Generate Mapping is added to EF Core Model for class properties
The new property Validation Framework is implemented in the Data Transfer Object template for generating DataAnnotations attributes
The new option "Save connection to" is implemented in Model Settings of EF Core Model to provide the ability to store the connection string in "Model file", "Entity Developer storage", "Environment variable"
The new option "Enum Output" is added to the EF Core template to specify output for the generated enums
The new property Generate UnitOfWork Repository Properties (by default, True) is implemented in the Repository and Unit Of Work template of EF Core Model for accessing the collections of entities
The representation of one-to-one association with non-nullable properties on both ends is changed from 1 -> 1 to 0..1 -> 1 on a diagram in EF Core Model
The JSON (Newtonsoft.Json, Microsoft.Text.Json) and YAML (YamlDotNet) serializations are supported in EF Core (via EF Core template) and EF6 (via DbContext template):

The new template property Serialization Library is added for specifying the library used for serialization
The new template property Serialize Original Column Names is added for controlling the appearance of original column names in serialization
The new template property Serialize Navigation Properties is added for controlling the appearance of navigation properties in serialization
The new template property Serialize Null Value is added for managing the behavior of nullable properties
The new extended property Do Not Serialize is added for properties and navigation properties to exclude them from serialization
The new extended property Serialization Name is added for properties and navigation properties to set custom names in serialization

The Data Transfer Object template is improved:

The new template property Serialization Library is added for specifying library used for serialization, possible values are Data Contract, JSON (Newtonsoft.Json), JSON (Microsoft.Text.Json), YamlDotNet
The new extended property Do Not Serialize is added for properties and navigation properties to exclude them from serialization
The new extended property Serialization Name is added for properties and navigation properties to set custom names in serialization
The behavior is changed: WCF Data Contract Attributes is set to False by default now

The following properties are marked as obsolete:

the Generate Data Contracts property of the EF Core template
the Do Not Generate Data Contract Attribute extended property of navigation properties in EF Core Model
the WCF Data Contract Attributes property of the DbContext and Data Transfer Object templates
the WCF DataMember Attribute on Navigation Properties property of the DbContext and Data Transfer Object templates

Code generation is improved: RelationalIndexBuilderExtensions.HasDatabaseName is generated now instead of RelationalIndexBuilderExtensions.HasName in EF Core 5
Display names of extended properties in EF Core Model are updated: Entity Base is renamed to Base Type in class properties, Entity Base is renamed to Base Entity Type in model properties, Context Base is renamed to Base Context Type in model properties
The behavior is changed in a standalone Entity Developer: by default the Target Framework model property in EF Core Model is set to .NET 5 instead of .NET Framework
The behavior is changed in Entity Developer embedded into Visual Studio: lower versions in the EF Core version property of Model Settings are not hidden any more
The behavior is changed in EF Core Model: QueryType=True is set now for all classes without PK
The behavior of the Regenerate Storage and Mapping functionality in EF Core Model is changed: the NOT NULL attribute of the column is reset to undefined now; after that, the behavior depends on the Nullable attribute of the class property only
C# code generation is improved: the using directives are generated instead of full namespaces in the names of attributes for DataAnnotations, NHibernate Validator, and Enterprise Library validation frameworks
Code generation is improved: OnModelCreating(modelBuilder) of the base class is invoked now if the Base Context Type property of EF Core Model is initialized
The new extended property Use Generic DbContextOptions Constructor Argument is added to model properties of EF Core Model
The new extended property Do Not Generate Constructor With DbContextOptions Argument is added to model properties of EF Core Model

Entity Framework

Entity Framework Core 5.0 is supported
Entity Framework Core 5.0.1 is supported
Entity Framework Core 5.0.2 is supported
Entity Framework Core 5.0.3 is supported
Entity Framework Core 5.0.4 is supported
Entity Framework Core 5.0.6 is supported
Entity Framework Core 5.0.7 is supported
Entity Framework Core 5.0.8 is supported
Entity Framework Core 5.0.10 is supported
Entity Framework Core 5.0.11 is supported
Entity Framework Core 5.0.12 is supported
Entity Framework Core 3.1.10 is supported
Entity Framework Core 3.1.11 is supported
Entity Framework Core 3.1.12 is supported
Entity Framework Core 3.1.13 is supported
Entity Framework Core 3.1.15 is supported
Entity Framework Core 3.1.16 is supported
Entity Framework Core 3.1.17 is supported
Entity Framework Core 3.1.19 is supported
Entity Framework Core 3.1.20 is supported
Entity Framework Core 3.1.21 is supported
Mapping of System.Decimal to Oracle NUMBER with specified precision and scale in EF Core 5 is supported
The definition of System.ICloneable is removed from .NET Framework assembly \Entity\EFCore3\Devart.Data.Oracle.Entity.EFCore.dll
The EF6 provider registration used with .NET Framework compliant assemblies is improved: the [DbConfigurationType(typeof(OracleEntityProviderServicesConfiguration))] attribute set for DbContext descendant allows now calling the DbContext constructor, that accepts a connection string, with no need to register a custom IDbConnectionFactory implementation
The new metadata to describe autoincremental columns via annotations in EF Core Code-First Migrations are implemented
The new config.DatabaseScript.Index.UseCurrentSchema option (default value is false) is added for ability to ignore schema set for indexes via EF Core Code-First Migrations
The implementation of config.CodeFirstOptions.TruncateLongDefaultNames in EF6 .NET Standard compliant assemblies is improved: the generated names are constant, independent on a current domain and workstation
The config.CodeFirstOptions.DropConstraintsByColumns configuration option is added (default value is False) to provide the possibility of dropping the existing foreign keys and indexes basing on the column names instead of constraint names
The behavior is changed: config.DatabaseScript.Index.UseCurrentSchema is set to false by default; as a result, the schema argument in CreateIndex(), DropIndex(), AddUniqueConstraint(), DropUniqueConstraint() operations is now applied not only to the table name, but also to the index name, i.e. previously, the index was always created in the current schema, and now it is created in the schema of the table to which the index belongs
The behavior is changed: EF Core 3 assemblies available via NuGet package are compiled for .NET Standard 2.0 instead of .NET Standard 2.1
The behavior is changed: EF Core 2 assemblies are no longer available via NuGet package but created in the provider installation folder

New features in dotConnect for Oracle 9.13

Visual Studio 2019 version 16.8 Preview is supported
The new DescribeStoredProcedure property is added to the OracleConnection class
The SendCallStack property is added to the Devart.Common.DbMonitor class for possibility to turn off resource-demanding logging of CallStack
The Filter property is added to the Devart.Common.DbMonitor class for possibility to choose events being logged
The Devart.Common.DbMonitor class is improved: now values of the DateTime parameters sent to the dbMonitor tool are supplemented with milliseconds

Entity Developer

EF Core 3 spatial data types support is improved: in addition to Geometry and Geography, specific .NET NetTopologySuite types like GeographyPoint, GeographyLine are now available property types
The error message in console Entity Developer is improved: now the text includes the list of all available templates if the specified name of template was incorrect

Entity Framework

Support for spatial data types in EF Core 3 is implemented
Entity Framework Core 3.1.8 is supported
Entity Framework Core 3.1.9 is supported
The new NuGet package Devart.Data.Oracle.EFCore.NetTopolosySuite with a .NET Standard 2.1 assembly, that is compatible with .NET Core 3, is added
The new \Entity\EFCore3\Devart.Data.Oracle.Entity.EFCore.NetTopolosySuite.dll assembly compiled with EF Core 3.1 and .NET Framework 4.6.1 is added
The OracleFunctions class, which allows using Oracle-specific functions in LINQ to Entities, is supported in EF Core
The OracleTextFunctions class, which allows using Oracle full-text search functionality in LINQ to Entities, is supported in EF Core

New features in dotConnect for Oracle 9.12

SSH is supported in the Direct mode
The performance of fetching data in the Direct mode is improved

New features in dotConnect for Oracle 9.11

SQL Server Integration Services 2019 (SSIS 2019) is supported
SSL/TLS is supported in the Direct mode
The new connection string parameters SSL Cert and SSL Server CertDN are added
The new connection string parameter SSL Key is added
The new properties WalletMethod and WalletLocation are added to the DirectUtils class
The new class OracleCredential is implemented to provide a more secure way to specify the password while opening connection in the OCI mode on Windows
The new overload OracleConnection(string connectionString, OracleCredential credential) is added
The new overload ChangePassword(SecureString newPassword) is added
The new property DefaultExpressionCacheSize (by default, 100) is added to the OracleLoader class to specify the number of default expressions that are evaluated at a time
The new property DefaultExpressionBehavior is added to the OracleLoader class to specify how the direct path API handles default expressions for columns that are not explicitly being loaded
OCI Multiple Homes is supported in .NET Standard 2.1
The OracleDataTable and OracleDataSet classes are supported in .NET Standard 2.0/2.1
Connection pool performance counters are supported in .NET Standard 2.0/2.1
.NET Standard 2.1 compatible assembly is added to the Devart.Data.Oracle NuGet package
The new class OracleShardingKey is implemented to store one or more key values for sharding in the OCI Session Pooling mode with Oracle Client 12g Release 2 and higher
The new methods SetShardingKey(OracleShardingKey shardingKey) and SetShardingKey(OracleShardingKey shardingKey, OracleShardingKey superShardingKey) are added to the OracleConnection class
Query Result Change Notification (QRCN) is supported
The new column QueryId is added to DataTable stored in OracleNotificationEventArgs.Details
The new properties GroupingNotificationEnabled, GroupingType, GroupingInterval are added to the OracleNotificationRequest class
The new properties RegisteredQueryIds, RegisteredResources, RegId are added to the OracleDependency class
The new connection mode OracleConnectMode.SysRac is supported for managing Real Application Clusters in Oracle Server 12c Release 2 and higher
The new property OracleUtils.ParameterValueTrimming (by default, false) is added to trim value that exceeds OracleParameter.Size
The behavior is changed: OCIStmtPrepare2() is used now instead of OCIStmtPrepare() in the OCI mode to support the use of Application Continuity in an HA infrastructure
The behavior is changed: pool is automatically cleared when AppDomain is being closed

LinqConnect (formerly known as LINQ to Oracle)

The insert of the object, the type of which is an unmapped class inherited from a mapped class, is supported

Entity Developer

Command-line interface is implemented in a standalone Entity Developer
The new property Context Name is added to Model Properties in EF Core Model
The new property Target Framework is added to Model Properties in EF Core Model
The new option "Execute procedures for result set detection" is added to Model Settings of EF Core Model to control obtaining metadata of a procedure or function result set
The new option "Use NULL parameter values" is added to Model Settings of EF Core Model to specify whether NULL parameter values are used for stored procedure execution
The new option "Add complex types to diagram" is added to Model Settings of EF Core Model to control behavior of Create Model Wizard and Update Model From Database Wizard
The new option "Add new complex types to the current diagram" is added to Update Model From Database Wizard of EF Core Model
The new Primitive Default Value Generation property is added to EF, EF Core templates to determine whether to generate initialization for a primitive property based on database DEFAULT column value
The new property Collection Property Type is added to EF template "DbContext" and EF Core template "EF Core" to determine .NET type used as a property type for the Many end of associations
The new property Collection Initialization Type is added to EF template "DbContext" and EF Core template "EF Core" to determine .NET type used for initialization of the Many end of association; if it is set to None, then no initialization is generated
The new property "Nullable Reference Types" is added to C# templates of EF, EF Core models to specify whether C# 8 nullable reference types and non-nullable reference types must be generated
The new partial method is added to the OnModelCreating(DbModelBuilder modelBuilder) method generated by DbContext template of EF model
.NET 5 is added to the list of available Target Framework versions in Create Model Wizard and Model Settings in EF6, EF Core, LinqConnect models
Console Entity Developer improvements:

Import of stored procedures and functions via Create-Model command is supported
The new options --Procedures and --Functions are added to Create-Model command for filtering stored procedures and functions; by default all procedures/functions are imported
The new option --Execute is added to Create-Model command for executing procedures/functions to get metadata from result set
The asterisk symbol (*) is supported in --Tables and --Views parameters of Create-Model to include all objects

The list of keywords and reserved words of Oracle being quoted by Entity Developer is updated
The DbProviderFactories registration is implemented in Create Model Wizard for EF6 models and .NET Framework provider assemblies
The new property Target Framework is added to Create Model Wizard and Model Settings of EF6 models
The behavior is changed: the definition of auto-implemented property is put now on the single line with

C# DbContext template of Devart Entity Model when ImplementINotifyPropertyChanging=False and ImplementINotifyPropertyChanged=False and PropertyChangePartialMethods=False
C# EF Core template of Devart EF Core Model when PropertyChangeNotifiers=False and PropertyChangePartialMethods=False

The EF Core model deserialization is improved: Entity Developer shows the full list of detected errors and tries to load the model with invalid elements or ignores such elements if their deserialization is not possible
The behavior for the new EF, EF Core models is changed: Primitive Default Value Generation is set to Literal now instead of LiteralOrExpression
The behavior is changed: the names of system types are generated without "System." prefix now in EF Core models; for example, it is DateTime instead of System.DateTime
The behavior is changed: only one confirmation for executing a stored procedure is requested by Entity Developer when dragging the stored procedure from Database Explorer to Model Explorer or diagram surface
The behavior is changed: now the EF Core template generates an additional partial class for the context class when "File Per Class" and "Generate Partial Class" are set to True
The provider registration is improved: requirement to put provider registration entry in the config file is not obligatory anymore
Create Model Wizard is improved: now it allows installing multiple NuGet packages on the final step
Model file tree in .NET Core / .NET Standard projects is improved: all generated code files and model files are nested under the same node in Solution Explorer

Entity Framework

Entity Framework 6.4.4 is supported
Entity Framework Core 3.1.1 is supported
Entity Framework Core 3.1.3 is supported
The .ToString() call for numbers, DateTime/DateTimeOffset properties and values in LINQ queries in EF Core is supported
The call of Convert.ToString(value) in LINQ queries in EF Core is supported
The translation of the DateTime.AddMinutes() method in LINQ query into SQL statement in EF Core is supported
The EF6 provider registration used with .NET Standard compliant assemblies is improved: the [DbConfigurationType(typeof(OracleEntityProviderServicesConfiguration))] attribute set for DbContext descendant allows now calling the DbContext constructor, that accepts a connection string, with no need to register a custom IDbConnectionFactory implementation

New features in dotConnect for Oracle 9.10

Entity Developer

The 12cR2 option is added to the list of available Oracle versions in Model Synchronization Settings

Entity Framework

Entity Framework 6.4 is supported
Entity Framework Core 3.1 is supported
Views are supported via Scaffold-DbContext in EF Core 3
The new \Entity\EFCore3\Devart.Data.Oracle.Entity.EFCore.dll assembly compiled with EF Core 3.1 and .NET Framework 4.6.1 is added
The new config.CodeFirstOptions.TruncateAllLongNames option (default value is False) is added to use EF Core 2/EF Core 3 implementation for truncating long names of columns and PK/FK/IX/UX
The config.DatabaseScript.ForeignKey.IndexCreation configuration option is supported in EF Core 1/EF Core 2/EF Core 3
The config.DatabaseScript.ForeignKey.IndexTablespace configuration option is supported in EF Core 1/EF Core 2/EF Core 3

New features in dotConnect for Oracle 9.9

The "Optimize rendering for screens with different pixel densities" feature of Visual Studio 2019 is supported by Devart DataSet Manager
The "Optimize rendering for screens with different pixel densities" feature of Visual Studio 2019 is supported by Devart DataSet Editor
Long object names support in Oracle 12.2 and higher is added

Entity Developer

The "Optimize rendering for screens with different pixel densities" feature of Visual Studio 2019 is supported
The DbContext template is improved for using Entity Framework 6.3:

The "Configuration Type Name" property, which specifies the descendant of DbConfiguration class that should be used for code-based configuration, is added
The "Use DbConfigurationType Attribute" property, which determines whether to register the configuration type specified in the ConfigurationTypeName property of the DbConfigurationType attribute, is added
The DbProviderFactories.RegisterFactory method is generated when UseDbConfigurationTypeAttribute=true and ConfigurationTypeName='%Default%'
With UseDbConfigurationTypeAttribute=false, the static constructor for registering factory and the new partial method OnStaticConfigured are generated

The Self-Contained Entity Configuration property is added to VB.NET version of EF Core template
The Entities Configuration Output property is added to VB.NET version of EF Core template
The code generation for the class properties with Alternate Key=True by VB.NET version of EF Core template is supported in EF Core model
The DbContext template is improved: precision and scale for database types are generated now in EF4/EF5/EF6 models when Fluent Mapping=True and Mapping Generation Strategy=UseAttributes

Entity Framework

Entity Framework Core 3.0 is supported
Entity Framework 6.3 is supported
Entity Framework Core 2.2.6 is supported
The lock for Microsoft.EntityFrameworkCore dependency is added to the NuGet package Devart.Data.Oracle.EFCore
The config.DatabaseScript.PrimaryKey.IndexTablespace configuration option is added to specify the tablespace for implicit PK indices created via the Code-First approach
The SQL generation in case of config.QueryOptions.UseCSharpNullComparisonBehavior=true in EF1/EF4/EF5/EF6 is improved
Support for changing NULL/NOT NULL constraint for LOB columns in the AlterColumn operation of EF Core Code-First Migrations is added

New features in dotConnect for Oracle 9.8

The integration with Visual Studio 2019 is improved: now the installation detects both 2019 Release and 2019 Preview versions

Entity Developer

Entity Framework 6.3 Preview 9 is supported for projects with target framework .NET Core 3 or .NET Standard 2.1
The behaviour is changed: a plural form of names ending with "s" now has a longer version (for example, status -> statuses)

Entity Framework

Entity Framework 6.3 Preview 9 is supported
A new NuGet package Devart.Data.Oracle.EF6 with a .NET Standard 2.1 assembly, compatible with .NET Core 3, is added

New features in dotConnect for Oracle 9.7

Visual Studio 2019 is supported
OS authentication is supported in the Direct mode
Deprecated design-time Synchronous API calls are no longer used with Visual Studio 2019 and Visual Studio 2017
The behaviour is changed: when loading data in the Direct mode, OracleLoader now adds the /* APPEND_VALUES */ hint to the generated SQL for Oracle 11g Release 2 and higher

Entity Developer

The ability to disable generation of the byte order mark (BOM) in the beginning of code files in a standalone Entity Developer is implemented

Entity Framework

Entity Framework Core 2.2.4 is supported

New features in dotConnect for Oracle 9.6

Visual Studio 2019 Release Candidate 4 is supported
The IDbColumnSchemaGenerator interface and the OracleDataReader.GetColumnSchema() method are implemented in .NET Standard provider assemblies
The returning of the actual number of records, processed by the ExecuteArray and ExecuteNonQuery methods is supported in the Direct mode for a MERGE query
The more detailed error text about unsupported data type when working with parameters and when loading data via the OracleLoader class is supported
Implicit statement results are supported for Oracle 12c in the Direct mode
Returning of affected row count for each array element when using array binding in the Direct mode for Oracle 12c is supported
The ChangePassword functionality is supported for Oracle 12c in the Direct mode
The GetOracleTimeStamp, GetDateTimeOffset, and GetTimeSpan methods are added to OracleArrayDataReader
The implementation of OracleCommand.CommandTimeout in the Direct mode is improved: now the provider sends Break to Oracle Server instead of closing TCP/IP socket
The list of supported cryptographic algorithms, that are available in the Direct mode, is extended in .NET Standard 2 compliant assemblies
Establishing a connection in the Direct mode when the Server connection parameter contains DESCRIPTION_LIST is improved
The behaviour is improved: now the ORA-01013 error is generated instead of ORA-03113 after command timeout is reached in the Direct mode

LinqConnect (formerly known as LINQ to Oracle)

The new overload DataContext.Refresh(bool ignoreErrors, RefreshMode mode, object entity) is added for ignoring errors during refresh
The existing overload DataContext.Refresh(RefreshMode mode, object entity) is improved: its check avoids the try to refresh the entity that is added to the context but not submitted to the database

Entity Developer

Entity Framework Core 2.1 is supported

Query type support is added: classes now have the Query Type property, and if it is set to true, this class is generated as a query type
Lazy loading for Entity Framework Core 2.1 is supported:

Model now has the Use Lazy-Loading Proxies property, which enables lazy loading on the model level
Navigation properties now have the Lazy property, which enables lazy loading for a specific navigation property

Properties now have the Constructor Parameter property, for configuring a parameterized constructor of the class
An additional constructor that accepts DbContextOptions as an argument is added to the DbContext class descendant in the VB.NET version of the DbContext template for EF Core.

The "Include Environment Variables" property, determining whether context configuration will be extended with environment variables when a connection string from the appsettings.json file is used, is added to the EF Core template
The "Json File Base Path" property, specifying the base path for file-based providers when a connection string from the appsettings.json file is used, is added to the EF Core template
Using an extended property of type OutputInfo is supported
Code generated for nullable properties is simplified: now T? is generated instead of System.Nullable<T>
The new Generate GeneratedCode Attributes option (by default, False) is added to the DbContext template in EF4/EF5/EF6 and the EF Core template
The new Generate Dummy Comments option (by default, False) is added to the DbContext template in EF4/EF5/EF6
The code generation of a default value for the String property mapped to the column with a default value, that contains a unicode literal with N-prefix, is supported in EF and EF Core
The code generation of DateTime.UtcNow for the DateTime property mapped to the column with the default value SYS_EXTRACT_UTC(CURRENT_TIMESTAMP) or SYS_EXTRACT_UTC(SYSTIMESTAMP) is supported in EF and EF Core
The code generation of DateTimeOffset.UtcNow for the DateTimeOffset property mapped to the column with the default value SYS_EXTRACT_UTC(CURRENT_TIMESTAMP) or SYS_EXTRACT_UTC(SYSTIMESTAMP) is supported in EF and EF Core
The multiple select functionality in EF Core Model is improved: now it allows setting PrimaryKey, ValueGenerated, Concurrency for several properties simultaneously

Entity Framework

Entity Framework Core 2.1.1 is supported
Entity Framework Core 2.1.2 is supported
Entity Framework Core 2.1.3 is supported
Entity Framework Core 2.1.4 is supported
Entity Framework Core 2.2.1 is supported
Entity Framework Core 2.2.3 is supported
The new static method SetDefault is added to the EntitySpatialServices class in EF5/EF6
The bit-wise functions OR, AND in EF Core are supported
The new extension method Database.IsOracle() in EF Core 2 is implemented
The .HasComputedColumnSql functionality for the CreateTable operation in EF Core Code-First Migrations is supported
The translation of single-char literal into SQL statement in EF Core is supported
The .HasComputedColumnSql functionality for the AddColumn and AlterColumn operations in EF Core Code-First Migrations is supported
The SQL translation of the following method overloads, that accept the StringComparison argument and return bool, in the System.String class is supported in EF Core 2: Contains, StartsWith, EndsWith, Equals
The behavior is changed: the default value of config.QueryOptions.UseCSharpNullComparisonBehavior is true now in EF Core
The misleading "The current provider does not support ambient transactions." warning, generated by TransactionScope in EF Core 2.1, is disabled
The performance in case of the CROSS APPLY/OUTER APPLY operations is improved: only one database query is sent to the server now instead of many SELECTs with executing part of operations locally
The performance of Entity Data Model Wizard is improved

New features in dotConnect for Oracle 9.5

.NET Standard 2.0 is supported

.NET Standard 2.0 compatible assemblies are added to the Devart.Data and Devart.Data.Oracle NuGet packages
Distributed transactions are supported
The OracleDataAdapter and OracleCommandBuilder are implemented
The OracleConnection.GetSchema() and OracleDataReader.GetSchemaTable() methods for metadata retrieving are implemented
The OracleDataSourceEnumerator class is implemented
The Details property is added to the OracleNotificationEventArgs class
Component classes in .NET Standard 2.0 compatible assemblies are inherited from the Component class, and some of them implement the ICloneable and ISupportInitialize interfaces
Some of the classes, representing data types, now implement the INullable and ISerializable interfaces

.NET Core 2.0 is supported
Sending AUTH_TERMINAL, AUTH_PROGRAM_NM, AUTH_MACHINE, and AUTH_SID information in the Direct mode for .NET Core 2.0 applications is supported
The CancelEditRowIfUpdateFailed property, determining whether to call CancelEdit for the row after update of the row is failed when data binding is used, is added to OracleDataTable
The returning of the actual number of records, processed by the ExecuteArray and ExecuteNonQuery methods is supported in the OCI mode for a MERGE query
SQL Server Data Tools (SSDT) 2017 is supported - SSIS projects only
RAC connection in the Direct mode is improved
The performance of reading data in the Direct mode is improved
The type of the Offset and Length properties of the ScriptProgressEventArgs class is changed from Int32 to Int64
The behaviour is changed: the License Key connection string parameter value is not sent to the dbMonitor instance when "Persist Security Info=false;"

LinqConnect (formerly known as LINQ to Oracle)

.NET Standard 2.0 is supported
.NET Core 2.0 is supported
The performance of generating complex queries is improved
The XmlMappingSource.FromResource method is supported in .NET Standard provider assemblies
A destructor for DataContext is added
The behavior is changed: all existing overloads of the method DataContext.Query() are replaced with DataContext.Query<TResult>(String,params Object[])
The behavior is changed: the License Key connection string parameter value is not sent to the LinqMonitor instance when "Persist Security Info=false;"

Entity Developer

.NET Standard 2.0 projects in Visual Studio 2017 are supported
.NET Core 2.0 projects in Visual Studio 2017 are supported
Entity Framework Core 2.0 is supported
The Retrieve Data functionality via Model Explorer for EF Core 2 is implemented
The new "Detect function-based column default value" option is implemented in Model Settings of EF Core model
The code generation for async method calls is added to the EF Core template
The usage of long identifiers (up to 140 symbols) for naming model objects is supported
The ModelNameAsFilesPrefix property is implemented in the RepositoryAndUnitOfWork template
The behaviour is changed: a base class in TPT Inheritance is allowed to be abstract now (LinqConnect models)
Support for ASP.NET Core MVC is added to the MVC Controller template (Entity Framework models)
Support for ASP.NET Core MVC is added to the Data Annotations Metadata template (Entity Framework models)
The new SQL Type, Size, Precision, Scale options are added to the Parameters tab in Method Editor of EF Core Model (Entity Framework models)
The new Controller Area extended class property is added to EF Core Model (Entity Framework models)
The check of conditions for setting optionsBuilder.Use... in the generated OnConfiguring method by the EF Core template is improved (Entity Framework models)
The process of synchronizing methods and parameters with database stored procedures in EF Core Model is improved (Entity Framework models)
The code generation for async method calls in the EF Core template is improved (Entity Framework models)

Entity Framework

Entity Framework Core 1.1.3 is supported
Entity Framework Core 1.1.4 is supported
Entity Framework Core 1.1.5 is supported
Entity Framework Core 2.0 is supported
Entity Framework Core 2.0.1 is supported
Entity Framework Core 2.0.2 is supported
Entity Framework Core 2.0.3 is supported
Entity Framework 6.2 is supported
The SQL generation for subselects, when using Distinct(), in EF1/EF4/EF5/EF6 is optimized
The Code-First Migrations functionality in EF Core is improved:

the operations InsertData / UpdateData / DeleteData (introduced in EF Core 2), AlterSequence are supported

The new methods OracleJsonFunctions.ValueAs... are added for getting nonstring values returned by the JSON_VALUE Oracle function
The new overload of the OracleJsonFunctions.ValueAs... methods is added for turning off generation of the RETURNING clause
The config.CodeFirstOptions.UseDateTimeAsDate option is supported in EF Core
The generation of the idempotent script in EF Core 2 Code-First Migrations is supported
The behavior is changed: now the EF Core Code-First Migrations script checks the existence of the MigrationHistory table not to try to create it if not necessary
The behavior is changed: by default System.String is mapped to NVARCHAR2(2000) in EF Code-First when config.CodeFirstOptions.UseNonLobStrings=true
The behavior is changed: the MoveTable operation is ignored now if either config.Workarounds.IgnoreSchemaName=true or config.Workarounds.IgnoreDboSchemaName=true and MoveTable is generated for Migration History table to move it into / from a schema dbo

New features in dotConnect for Oracle 9.4

.NET Core is supported
The NuGet packages with .NET Standard 1.3 (.NET Core) compliant assemblies are uploaded to www.nuget.org
The Default Fetch Size connection string parameter, which specifies the number of rows that will be transferred across the network at a time, is added
The possibility to assign a value of the DateTimeOffset type to OracleParameter.Value is added
The compatibility with Visual Studio 2017 Updates is improved

Entity Developer

.NET Core projects in Visual Studio 2017 are supported
The new Raw SQL Query class property and SQL method property with the corresponding editors are implemented in Entity Framework Core
The Snake case in both Model and Database naming rules is supported via the new "Add underscore" option
The behaviour is changed: IsRequired(false / true) for navigation properties is always generated in EF Core fluent mapping now

Entity Framework

Entity Framework Core 1.1.2 is supported
The possibility to use command interception for EF6 commands executed within batch updates is implemented
The CreateSequence and DropSequence operations in EF Core Code-First Migrations are supported
The support of EF Core models with string columns, which are defined without length limit and participate in PKs, FKs, indices, is improved
The compatibility with ASP.NET Core Identity is improved
The possibility to set DEFAULT for a table column via the DefaultValue annotation in EF6 Code-First Migrations fluent mapping is implemented
The possibility to create database objects with names up to 128 characters long in Oracle 12c Release 2 is supported
The behavior is changed: now a DBMS_LOB.COMPARE call is generated for comparing CLOB/NCLOB columns

New features in dotConnect for Oracle 9.3

Visual Studio 2017 is supported

Entity Framework

Entity Framework Core 1.1.1 is supported

New features in dotConnect for Oracle 9.2

Visual Studio 2017 Release Candidate 4 is supported
The 'Do not install assemblies in the GAC' check box that allows disabling placing the provider assemblies to the GAC is added to the Install Wizard
Oracle ANYDATA type is supported in the Direct mode
The InitialLobFetchSize property of OracleCommand is supported in the Direct mode
Oracle 12c authentication in the Direct mode is supported
The resource usage by connections when working with failover functionality in the OCI mode is optimized
The behaviour is changed: the OracleArray constructor now verifies that OracleArray is not created for a UDT that is not VARRAY

LinqConnect (formerly known as LINQ to Oracle)

The exception message for invoking CreateDatabase() for the model which includes an association with missing end is improved

Entity Developer

The possibility to choose whether to add new entities to a diagram or not in Update From Database Wizard is implemented
The behaviour is changed: now the DbContext template generates an additional partial class for the context class when "File Per Class" and "Generate Partial Class" are set to True (Entity Framework models)

Entity Framework

Entity Framework Core 1.1.0 is supported
The Scaffold-DbContext NuGet command of Package Manager Console for generating a model basing on the existing database schema is supported in EF Core
Batch Updates support in EF Core is added
The OracleJsonFunctions class is implemented in EF4/EF5/EF6 to use JSON functions and operators in LINQ to Entities queries
Signed versions of NetTopologySuite GIS library are supported in EF5/EF6
NetTopologySuite 1.14 is supported in EF5/EF6
GeoAPI 1.7.4 is supported in EF5/EF6
The NetTopologySuiteSigned and NetTopologySuiteUnsigned members are added to the SpatialServiceType enum in EF5/EF6
The config.DatabaseScript.Schema.DeleteDatabaseBehaviour option is supported in EF Core
The config.Workarounds.ProviderManifestToken option is added for setting provider manifest token for all contexts within application domain
The AddUniqueConstraintOperation and DropUniqueConstraintOperation operations are supported in EF Core Code-First Migrations
The translation of collection's Contains method in LINQ query to SQL statement in EF Core is supported
The SQL generation for subselects, when using paging and aggregate functions, in EF Core is optimized
The behaviour is changed: the functionality of SpatialServiceType.NetTopologySuiteSigned is moved to Devart.Data.Oracle.Entity.EF5.dll / Devart.Data.Oracle.Entity.EF6.dll
The behaviour is changed: the errors thrown by executing SQL statement CREATE/DROP USER are ignored now

New features in dotConnect for Oracle 9.1

Microsoft SQL Server Data Tools Business Intelligence (SSDT-BI) project templates for Analysis Services, Reporting Services, and Integration Services (mapping wizards) in Visual Studio 2015 are supported
Microsoft SQL Server 2016 is supported in SSIS DataFlow components
The IEnumerable<OracleSqlStatement>, ICollection<OracleSqlStatement>, and IList<OracleSqlStatement> interfaces are implemented in the OracleSqlStatementCollection class
New CharLength and CharUsed columns have been added to the Columns collection of the OracleConnection.GetSchema method
The execution of OracleScript with the PL/SQL declaration sections in the WITH clause in Oracle 12c is supported
The alternative quoting mechanism for string literals (string literals with the Q prefix) of Oracle 10g and higher is supported in the OracleScript class
The binary serialization is added to OracleString, OracleBinary, OracleNumber, OracleDate, OracleIntervalDS, and OracleIntervalYM structures
The output of the domain to the "machine" column and output of the "process" column values in the Direct mode are supported
The Data Encryption and Data Integrity feature in the Direct mode is supported
The EZCONNECT format is supported in the Direct mode
The performance using a default value (changed to 8192) of DirectUtils.PacketSize in the Direct mode via VPN connection is improved
The performance of inserting CLOB data is improved
The performance of retrieving metadata for stored procedures in the Direct mode is improved
The performance of retrieving data in the Direct mode is improved

Entity Developer

Entity Framework Core 1.0 RTM is supported
The possibility to set values of stored procedure parameters for getting metadata to generate automatically the corresponding complex type is implemented
The generation of static methods by the EntityObject template is supported via the new property Direct Call of EntityMethod (Entity Framework models)
The behaviour is changed: the ObservableCollection navigation properties are initialized now in a default class constructor (Entity Framework models)

Entity Framework

Entity Framework Core 1.0.1 is supported
The OracleConventionSetBuilder class is implemented in the Entity Framework Core support
The SqlFunctions.DatePart method is supported in LINQ to Entities for the following modifiers: year, month, day, hour, minute, second, millisecond, tzoffset
OracleCSharpMigrationCodeGenerator and OracleVisualBasicMigrationCodeGenerator for code-based migrations are implemented for EF4, EF5, EF6
The CheckConstraintColumnRestriction property of the OracleAddColumnConfiguration class for customization of the AddColumn operation in EF4, EF5, EF6 Code-First Migrations is implemented
The OracleColumnAnnotations class for customization of creating columns in the CreateTable operation in EF6 Code-First Migrations is implemented
The DatabaseFacade.GetOracleConnection() extension method, which returns OracleConnection, is implemented in EF Core
The config.SpatialOptions.ReadAs2D configuration option (default value is False) is implemented for EF5 / EF6 to treat 3D SDO_GEOMETRY objects as 2D
The new optional parameter Action<OracleDbContextOptionsBuilder> is added to UseOracle() extension method of DbContextOptionsBuilder in EF Core
The behaviour is changed: FK constraints within CREATE TABLE are named now in Code-First Migrations

New features in dotConnect for Oracle 9.0

HA Events from Oracle RAC are supported
Connection pool performance counters are implemented
The PartitionName property, specifying the name of the partitioned table partition to load data into, is added to the OracleLoader class
The new LoadTable overloads for loading data from a IDataReader, array of rows, or only rows with a specific RowState from a DataTable are added to the OracleLoader class
The Options property of the new OracleLoaderOptions type that allows configuring OracleLoader behavior is added to the OracleLoader class
The RowsCopied event that allows tracking data loading progress and correctly break the data loading operation is added to the OracleLoader class
When loading data in the OCI mode using array binding, OracleLoader now adds the /* APPEND_VALUES */ hint to the generated SQL for Oracle 11g Release 2 and higher
The OracleLogicalTransaction property is added to the OracleConnection class and the new OracleLogicalTransaction class is created for better support of Oracle Transaction Guard
All DbTypes are supported
Truncate member that represents the TRUNCATE TABLE statement is added to the SqlStatementType enum
The GetMappedType method that returns the result .NET type for the specified precision and scale and allows testing specified number mapping configuration is added to the OracleNumberMappingCollection class
Oracle objects in array binding in the Direct mode are supported
The OracleLob class is improved
The OracleXml class is improved
The OracleNumber structure is improved
The OracleDate structure is improved
The OracleTimeStamp structure is improved
The OracleBoolean structure is improved
The OracleCursor class is improved
The OracleString class is improved
The OracleRef class is improved
The OracleHomeCollection class is improved
Support for binary representation of Oracle data types is improved in OracleDate and OracleString structures
The Run Once Command connection string parameter, which specifies a command or several commands to execute when the connection is opened the first time and not executed when the connection is taken from the pool, is added
The Initialization Command connection string parameter is improved: now it can contain several commands
The implementation of DML arrays in output parameters in the Direct mode is improved
The exception message when the source value is out of range for a .NET Framework type is improved: now it also contains the name of column that caused the issue
The behavior is changed: the CreateColumns method of the OracleLoader class now does not add GENERATED ALWAYS AS IDENTITY columns to the collection in the OCI mode
The behavior is changed: now the ORA-01805 error is ignored when Oracle Client and server have timezone files of different versions and a value of a TIMESTAMP WITH TIME ZONE with time zone explicitly specified by name is read
The behavior is changed: number mappings in the connection string now influence the code generated by Oracle Package Wizard

LinqConnect (formerly known as LINQ to Oracle)

Bitwise And, Or, and Xor operators are supported in LINQ queries for integer operands

Entity Developer

Entity Framework Core support is added
The DbProviderFactory provider registration in application's *.config is supported by the Entity Developer version integrated into Visual Studio

Entity Framework

Entity Framework Core RC2 is supported
Entity Framework-related assemblies are renamed
The config.QueryOptions.OrderByNullBehavior option is added to specify whether to add NULLS FIRST or NULLS LAST to the ORDER BY clause
Upgrade Wizard is improved for upgrading projects with the Entity Framework functionality

New features in dotConnect for Oracle 8.5

Visual Studio 2015 is supported
The type of the "details" and "sessionitems" columns of the "aspnet_webevent_events" and "aspnet_sessions" tables respectively is changed from LONG to CLOB in the InstallWebTables.sql file
The largest possible value of DirectUtils.PacketSize is increased to 32768
The possibility to create an unsafe pointer to an OracleIntervalDS structure is added

LinqConnect (formerly known as LINQ to Oracle)

The possibility to use .IsRowVersion() method for properties with non-binary data types when using the fluent mapping approach is added
The Parent property is added to the IInheritanceConfiguration interface

Entity Developer

The support for materialized views is implemented
The Use ObservableCollection property of the DbContext template is implemented (Entity Framework models)
The behaviour is changed: now the 1:1 and 1:0..1 associations are displayed differently on the diagram (LinqConnect models)

Entity Framework

The overloads for Contains and Matches methods are added to the OracleTextFunctions class for using full-text search with the binary columns
The config.QueryOptions.TrueValueNumber configuration option is added to specify SQL generation for True values (either equal to 1 or not equal to 0)
The spatial constant functionality is implemented

New features in dotConnect for Oracle 8.4

Visual Studio 2015 Release Candidate is supported
Oracle TimesTen 11g Release 1 and Oracle TimesTen 11g Release 2 are supported in the OCI mode on 32-bit and 64-bit platforms
The ServerType property of the OracleServerType type is added to the OracleConnection class
A enum OracleServerType is added; it contains the following elements: Oracle, TimesTen, Undefined
The Oracle TimesTen-specific data types are supported: TT_TINYINT, TT_SMALLINT, TT_INTEGER, TT_BIGINT, TT_DATE, TT_TIMESTAMP, TIME, BINARY and VARBINARY
New elements are added to the OracleDbType enum for better support of the Oracle TimesTen-specific TT_TINYINT, TT_SMALLINT, and TT_BIGINT data types: Byte, Int16, and Int64
Getting metadata with the GetSchema() method of OracleConnection, connecting to an Oracle database using Windows Authentication, is supported
Server Explorer integration for Windows Authentication connections to Oracle database is supported
Server Explorer integration for Oracle TimesTen is supported
The Managed ODP.NET support is added to Migration Wizard
ADO.NET implementation of ASP.NET Identity 2.0 support is improved

The new IUserStore<T>, IUserClaimStore<T>, IUserLoginStore<T>, IUserPasswordStore<T>, IUserRoleStore<T>, IUserEmailStore<T>, IUserPhoneNumberStore<T> interfaces are implemented in the OracleUserStore and OracleUserStore<TIdentityUser, TIdentityRole> classes
The new IRoleStore<T> interface is supported in the OracleRoleStore and OracleRoleStore<TIdentityUser, TIdentityRole> classes
The new IQueryableUserStore interface is implemented in the UserStore class
The new IQueryableRoleStore interface is implemented in the RoleStore class

The Enterprise Library 6 support is added; all previous versions of Enterprise Library are no longer maintained
The new \Web\ASP.NET 45\Devart.Data.Oracle.Web.dll assembly (its revision number is 5) is added to the provider installation folder to support SimpleMembership in MVC5
The enableExpiredSessionAutoDeletion and expiredSessionAutoDeletionInterval options for deleting expired sessions are added to the session-state store provider definition in the web.config file
The InitialLobFetchSize property, that specifies the amount of data OracleDataReader initially fetches for LOB columns, is added to the OracleCommand
Microsoft SQL Server Data Tools Business Intelligence (SSDT-BI) project templates for Analysis Services and Integration Services in Visual Studio 2013 are supported
SSIS DataFlow Source and Destination components are supported in SSDT-BI for Visual Studio 2013
The IPv6 protocol is supported in the Direct mode
dotConnect for Oracle is now FIPS compliant on .NET Framework 3.5 in the Direct mode
The performance of the Update method of the OracleDataAdapter and OracleDataTable classes when using the UpdateBatchSize property is improved
The behaviour is changed: the OracleMonitor now hides information about the password connection string parameter
The behaviour is changed: SYS_EXTRACT_UTC(SYSTIMESTAMP) is used now in WF Services scripts for the date columns
The behaviour is changed: OracleDataReader now returns ReadOnly=True in the schema table for the GENERATED ALWAYS AS IDENTITY columns (for Oracle 12c)
The behaviour is changed: the data are inserted in the config_data column of the scopeconfig table via the CLOB parameter (instead of dynamic SQL) in Sync Framework

LinqConnect (formerly known as LINQ to Oracle)

The OpenConnection() method is added to the DataContext class
The dependency on the System.Windows.Forms.dll assembly is removed

Entity Developer

The View Generation option of the model with Entity Framework version = Entity Framework 6 is supported for the DbContext (only with XML mapping), EntityObject, POCO, and Self-Tracking Entities templates (Entity Framework models)
The possibility to use relative paths to assemblies in code generation templates is implemented
The Implement Equals property is added to the DbContext, ObjectContext, and POCO Entity templates (Entity Framework models)
The Remove Invalid Characters option (by default, True) is added to the Model Naming rules; if it is set to False, all invalid characters will be replaced with underscores
The Enable WinForms Data Binding property of the DbContext template is implemented (Entity Framework models)
The Property Change Partial Methods property of the DbContext template is implemented for generating partial methods On%PropertyName%Changing and On%PropertyName%Changed for each primitive property of entity classes (Entity Framework models)
The support of ID generators for primary keys in the Fluent Mapping template is added (LinqConnect models)
The possibility of setting default values for enum properties is implemented (LinqConnect models)
The behaviour is changed: now partial configuration classes are generated when DbContext template is used with Fluent Mapping=True and Mapping Generation Strategy=UseConfigurationClasses options (Entity Framework models)
The behaviour is changed: now the default value for the 'File Per Class' option of the DbContext template is True (Entity Framework models)
The behaviour is changed: Generate Database Script From Model saves the output in ASCII format if there are no unicode symbols in the script; UTF-8 is used otherwise
The behaviour is changed: now the default values are not set for string properties, that correspond to fields with the default values like expressions (Entity Framework models)

Entity Framework

Oracle TimesTen 11g Release 1 and Oracle TimesTen 11g Release 2 are supported in the run-time of Entity Framework provider versions for EF1, EF4, EF5, and EF6
Oracle TimesTen is supported in EDM Wizard/EDM Designer of VS 2008 SP1/VS 2010/VS 2012 and EF Tools for VS 2012/VS 2013 in the Database-First approach for creating Entity Framework models
Code-First CreateDatabase()/DatabaseExists()/DeleteDatabase() functionality is supported for Oracle TimesTen
Code-First Migrations feature is supported for Oracle TimesTen
Oracle TimesTen-specific data types are supported in Code-First / Code-First Migrations
The support of boolean properties, when the corresponding column is NUMBER(1, 0),is improved
The config.SpatialOptions.PrecisionModel configuration option is added to specify the NetTopologySuite precision model scale factors
The Devart.Data.Oracle.Entity.INDEX_HINT function for specifying Oracle INDEX hint without the explicitly specified table's alias in EntitySQL is added
The OracleFunctions.IndexHint method for specifying Oracle INDEX hint without the explicitly specified table's alias in LINQ to Entities is added
The config.DatabaseScript.Table.Tablespace configuration option is added to specify the tablespace for tables created via the Code-First approach
The config.DatabaseScript.Index.Tablespace configuration option is added to specify the tablespace for indexes created via the Code-First approach
The compatibility with SQL*Plus is improved: binary literals are now divided into fractions with 2000 symbols each when inserting data into MigrationHistory table
The SQL generation for LINQ queries with comparison based on the RAW(16) column is improved: explicit cast to RAW(16) is used now to make Oracle Server employ an existing index created for the RAW(16) column in Oracle execution plan
The performance of generating SQL for Enumerable.Contains in LINQ queries is improved by supporting a new expression type, DbInExpression, in Entity Framework 6
The behaviour is changed: Code-First/Code-First Migrations generate BINARY_FLOAT / BINARY_DOUBLE columns for the Single / Double class properties correspondingly for Oracle 10g and higher

06-March-14 New features in dotConnect for Oracle 8.3

The ADO.NET implementation of ASP.NET Identity support is added
- The ICloneable interface is implemented in the IdentityUser and IdentityRole classes
- The User_Id column in the AspNetUserClaims table is renamed to UserId
The ADO.NET implementation of ASP.NET Identity 2.0 support is added
- The new \Web\ASP.NET Identity 2\Devart.Data.Oracle.Web.Identity.dll assembly (its revision number is 2) is added to the provider installation folder
- The new \Web\ASP.NET Identity 2\Install_identity_tables.sql and \Web\ASP.NET Identity 2\Uninstall_identity_tables.sql files are added to the provider installation folder
- The new \Web\ASP.NET Identity 2\Upgrade_identity_tables_from_v1_to_v2.sql file is added to the provider installation folder
- The new IUserEmailStore<TIdentityUser, TKey>, IUserPhoneNumberStore<TIdentityUser, TKey>, IUserTwoFactorStore<TIdentityUser, TKey>, IUserLockoutStore<TIdentityUser, TKey> interfaces are implemented in the UserStore class
The IDataReader interface is implemented in the OracleCursor class
The implementation of the OracleCommand.CommandTimeout property in the Direct mode is improved
The \Web\ASP.NET Identity 1\Install_identity_tables.sql file is updated: now user-friendly foreign key names are used
The possibility of assigning System.Guid to OracleParameter.Value without explicitly specified OracleParameter.OracleDbType is implemented
The script for updating Workflow Instance Store schema from .NET Framework 4.0 to .NET Framework 4.5 is added to the provider installation folder
The OracleConnection.ClearAllPools(bool force) method is added
The implementation of the ConnectionTimeout parameter of connection string in the OCI mode is improved
The OracleScript.Cancel() method is added to stop query execution
The behaviour is changed: the Errors property of the OracleException class is never null now and always has at least one element
The behaviour is changed: the Message property of the OracleException class now contains all distinct error messages returned by Oracle when using OracleLoader in the array binding mode and when calling ExecuteArray
The behaviour is changed: when using OracleLoader in the array binding mode, the table constraints are disabled for the time of data loading and is enabled again only when closing the OracleLoader object
The behaviour is changed: the instance_id field of the wf_activity_info table in Workflow Tracking implementation is of varchar(1000) type now

LinqConnect (formerly known as LINQ to Oracle)

The CommandTimeout property is added to the DataProvider class
The behaviour is changed: the new "OUTER APPLY is not supported by Oracle Database 11g and lower. Oracle 12c or higher is required to run this LINQ statement correctly. If you need to run this statement with Oracle Database 11g or lower, rewrite it so that it can be converted to SQL, supported by the version of Oracle you use." exception is added

Entity Developer

The information message about availability of NuGet Package Manager on the workstation is added in the Entity Developer version integrated into Visual Studio (Entity Framework models)
The override modifier for DbSet class properties generated by DbContext templates is added (Entity Framework models)
The behaviour is changed: now paths to assemblies with attributes (Model Settings -> Model -> Attributes) are saved and used as relative paths
The behaviour is changed: now a property in the generated code is initialized basing on the default value in CSDL only (instead of default values in any of SSDL and CSDL; Entity Framework models)

Entity Framework

SharpMap 1.1 is supported
NTS Topology Suite 1.13.2 is supported
Entity Framework 6.1.0 RTM is supported
Entity Framework 6.1.0 Tools for Visual Studio 2012 & 2013 are supported
The UpdateDatabaseOperation operation in Code-First Migrations for Entity Framework 6.x is supported
The RenameIndexOperation operation in Code-First Migrations for Entity Framework 6.1 is supported
Multiple EntityContainers in the Code-First CreateDatabase()/CreateDatabaseScript()/DeleteDatabase() functionality are supported
The Database.Delete(DbConnection) functionality is supported: all objects in the current schema (specified in User Id or set with Initialization Command connection string parameter) are removed if DatabaseScript.Schema.DeleteDatabaseBehaviour = AllSchemaObjects
The Database.Exists(DbConnection) functionality is supported: the method returns true if DatabaseScript.Schema.DeleteDatabaseBehaviour = AllSchemaObjects and at least one table or sequence exists in the current schema (specified in User Id or set with Initialization Command connection string parameter)
Determining correct datatypes of data retrieved by EntitySQL queries with UNION ALL and similar constructions is improved
The compatibility with Hibernating Rhinos EntityFramework Profiler is improved
The database server version is added to the generated Code-First Migrations script
The releasing of memory, which was allocated for commands and readers of ObjectContext / DbContext, is improved
The functionality of setting the CodeFirstOptions.ColumnTypeCasingConventionCompatibility option via provider manifest token for a particular Entity Framework model is implemented for possibility of using both Database-First/Model-First model with XML mapping and Code-First model with fluent/attribute mapping in the same AppDomain
The config.DatabaseScript.Column.MaxStringSize configuration option (default value is OracleMaxStringSize.Standard) is added to provide the possibility of determining a default size of the VARCHAR2 and NVARCHAR2 columns for Oracle 12c if it was not set explicitly in the Code-First CreateDatabase()/Code-First Migrations functionality
The NumericIdentityBehavior.ImplicitSequence enumeration value of config.DatabaseScript.Column.NumericIdentityBehavior for Oracle 12c is now deprecated and not recommended to use; use the new NumericIdentityBehavior.GeneratedAlwaysAsIdentity, NumericIdentityBehavior.GeneratedByDefaultAsIdentity, NumericIdentityBehavior.GeneratedByDefaultOnNullAsIdentity values instead
The behaviour is changed: now Database.Delete(DbConnection), when config.DatabaseScript.Schema.DeleteDatabaseBehaviour = AllSchemaObjects, removes sequences in the current schema of Oracle 12c only if config.DatabaseScript.Column.NumericIdentityBehavior = ExplicitTriggerAndSequence
The behaviour is changed: now Database.Exists(DbConnection), when config.DatabaseScript.Schema.DeleteDatabaseBehaviour = AllSchemaObjects, checks an existence of sequences in the current schema of Oracle 12c only if config.DatabaseScript.Column.NumericIdentityBehavior = ExplicitTriggerAndSequence
The behaviour is changed: now by default the Code-First CreateDatabase()/CreateDatabaseScript()/Code-First Migrations functionality generates the VARCHAR2(4000) and NVARCHAR2(2000) columns for Oracle 12c if the size of the corresponding columns is not set explicitly
The behaviour is changed: now the TIMESTAMP WITH TIME ZONE column is mapped to DateTimeOffset instead of DateTime by EDM Wizard / Lightswitch / Entity Framework 6 Tools
The behaviour is changed: now SQL is generated without additional sorting in a subquery when working with Oracle 11g/10g/9i and during the work with paging operations with .OrderBy().Skip().Take()
The behaviour is changed: now a slash after the very last statement is generated in the Code-First CreateDatabaseScript() functionality
The behaviour is changed: now the Code-First CreateDatabase()/CreateDatabaseScript()/Code-First Migrations functionality for Oracle 12c generates 'GENERATED BY DEFAULT ON NULL AS IDENTITY' instead of 'GENERATED ALWAYS AS IDENTITY' for autoincrement identity columns when config.DatabaseScript.Column.NumericIdentityBehavior = Default

16-January-14 New features in dotConnect for Oracle 8.2

The functionality of starting and stopping an Oracle database instance is implemented in the OracleDatabase class (only in the OCI mode)
Working with XMLTYPE in the OCI mode when Unicode = True is fully supported
Specifying proxy connection via the connection string with the new connection string parameters "Proxy User Id" and "Proxy Password" is supported (only in the OCI mode)
DBMS_APPLICATION_INFO package features are supported via the new properties of the OracleConnection class: ModuleName, ActionName, ClientInfo, and the SetDbmsApplicationInfo method
OCI Statement Caching support is improved: caching is now also supported in case when Unicode = True or "Oci Connection Pool"= True
OCI Statement Cache cleaning when returning a connection to a pool is implemented via the new "Statement Cache Purge" connection string parameter (Default value is False)
OCI Statement Cache cleaning on user request is implemented via the new PurgeStatementCache() method of the OracleConnection class
The possibility to speed up the stored procedure execution with the ExecuteReader()/ExecuteScalar() methods of OracleCommand, when using CommandType.StoredProcedure, is implemented via the new connection string parameter "Describe Stored Procedure" (Default value is True) and the new ImplicitRefCursors and IsTableValuedFunction properties of the OracleCommand class
Execution of non-pipelined table function with CommandType.StoredProcedure is supported when the IsTableValuedFunction property of OracleCommand equals to True
The TableValuedResultType property of OracleCommand is now deprecated and not recommended to use. Use the IsTableValuedFunction property instead
Additional overloads of the OracleCommand constructor and CreateCommand method of OracleConnection class are added to decrease the code for creating an OracleCommand instance
Additional overloads of the GetValues(), GetOracleValues(), and GetProviderSpecificValues() methods that don't require the user to create an array of the required size beforehand are added to the OracleDataReader class to ease data retrieving, for example only a single record is read
The return type of the Clone() method of OracleConnection, OracleCommand, and OracleParameter classes is now the same as the type of the object, for which the method is implemented, instead of System.Object
DbType.Xml now can be assigned to the DbType property of OracleParameter (it means the same as oracleParameter.OracleDbType = OracleDbType.Xml) in order to ease working with XMLTYPE when using base ADO.NET without using provider-specific features
Retrieving version of the Oracle database, a connection is made to, is improved: the new ShortServerVersion property of the Version type is implemented in the OracleConnection class
The performance of the Update method of OracleDataAdapter and OracleDataTable classes is improved
The performance when working with parameters is improved
The performance of reading and writing OracleObject attributes in the OCI mode is significantly improved
The behaviour is changed: IndexOutOfRangeException is generated now instead of InvalidOperationException when OracleDataReader.GetOrdinal(String name) finds nothing in the result set

LinqConnect (formerly known as LINQ to Oracle)

The behaviour is changed: now the script is generated with "ON DELETE NO ACTION" when using the CreateDatabase() method and the "Delete Rule" for the association is set to "NO ACTION"
The behaviour is changed: now the CreateDatabase() method uses the same algorithm for naming foreign keys as in Entity Developer

Entity Developer

The "WCF DataMember Attribute on Navigation Properties" property is added to the Data Transfer Object template for pointing the end (-s) where the attribute should be generated (Entity Framework models)
More information messages, when validating EF6 models basing on the EntityFramework.dll functionality, are added (Entity Framework models)
The behaviour is changed: the validation of EF6 models depends on the EntityFramework.dll functionality only (.NET Framework 4.5 is not required any more) (Entity Framework models)

Entity Framework

The Acos, Asin, Ascii, Atan, Atan2, Char, Cos, CurrentUser, DataLength, Exp, Rand, Sign, Sin, SoundCode, SquareRoot, StringConvert, Tan methods of the SqlFunctions class in LINQ to Entities are supported to be converted to Oracle-specific SQL statements in runtime
The generation of SQL literals for DateTimeOffset and TimeSpan values is improved: shortened form is used now if possible

31-October-13 New features in dotConnect for Oracle 8.1

Visual Studio 2013 is supported
Oracle Object Wizard is supported in Direct mode
Reduced memory usage for some operations with CLOB/NCLOB/BLOB values
Reduced memory usage for CommandBehavior.SequentialAccess
Performance of the operation of assigning TIMESTAMP and INTERVAL values to In parameters is improved, and memory leak in this operation is fixed
The behaviour is changed: installation with the /VERYSILENT install parameter will uninstall the other version of the provider without any dialog box if it is installed
The behaviour is changed: there is no more max count for parameters for stored procedure in the Direct mode

LinqConnect (formerly known as LINQ to Oracle)

The possibility to inherit from the data provider classes is added

Entity Developer

Entity Framework 6 is supported
The new "Provider Manifest Token" model property is implemented to identify the target server (Entity Framework models)
The predefined templates (POCO Entity and LinqConnect) are improved: new template setting, "Generate Dummy Comments", is added (LinqConnect models)
The behaviour is changed: the values of "Target Server" and "Server Version" can be reset via the Model Settings > Synchronization > Mapping dialog despite the fact whether connection is specified in Database Explorer or not

Entity Framework

The 6.0.0 and 6.0.1 versions of Entity Framework are supported
The compatibility of Entity Framework provider for EF v1, v4, v5 with medium trust level environment is improved
The behaviour is changed: Entity Data Model Wizard shows a more detailed error message in case of connecting to unsupported database or using incorrect provider manifest tokens
The behaviour is changed: Code-First Migrations generates DEFAULT values for new NOT NULL columns of Boolean, Guid, DateTime, DateTimeOffset, TimeSpan types when adding them in the existing table

17-October-13 New features in dotConnect for Oracle 8.0

Oracle 12c is supported
Auto increment identity columns are supported (only in the OCI-mode, and only for Oracle 12c)
Returning of affected row count for each array element when using array binding is supported (only in the OCI-mode, and only for Oracle 12c)
Implicit result sets are supported (only in the OCI-mode, and only for Oracle 12c)
Transaction Guard is supported (only in the OCI-mode, and only for Oracle 12c)
New connection modes are supported: SYSBACKUP, SYSDG and SYSKM
Microsoft Sync Framework support is implemented
The OracleDate.IsValidDateTime property is implemented for checking if a valid DateTime will be returned for the Value property
The overload for constructor of OracleNumber class with System.Single type parameter is added

LinqConnect (formerly known as LINQ to Oracle)

The Collate method of the SqlMethods class is implemented
VARCHAR2/NVARCHAR2/RAW types with length increased to 32KB are supported for Oracle 12c
Oracle 12c specific SQL generation for paging is supported
The behaviour is changed: CreateDatabase functionality generates columns with the identity clause 'GENERATED AS IDENTITY' for primary key properties with 'IsDbGenerated=True' (only for Oracle 12c)

Entity Developer

The predefined templates are improved: new template setting, "Use Compiled Query Cache", is added (LinqConnect models)
The behaviour is changed: "Generate Database Script"/"Update Database From Model" wizards generate columns with the identity clause 'GENERATED AS IDENTITY' for properties with 'Store Generated Pattern=Identity' (only for Oracle 12c, Entity Framework models)
The behaviour is changed: "Generate Database Script"/"Update Database From Model" wizards generate columns with the identity clause 'GENERATED AS IDENTITY' for properties with 'Auto Generated Value=True' (only for Oracle 12c, LinqConnect models)

Entity Framework

Generation of OUTER APPLY statement in Entity Framework is supported for Oracle 12c
Oracle 12c specific SQL generation for paging is supported
VARCHAR2/NVARCHAR2/RAW types with length increased to 32KB are supported for Oracle 12c
The behaviour is changed: Code-First/Code-First Migrations generate columns with the identity clause 'GENERATED AS IDENTITY' for entity key properties with 'Store Generated Pattern=Identity' (only for Oracle 12c)
The behaviour is changed: Code-First Migrations generates DEFAULT 0 for new NOT NULL columns of numeric types when adding them in the existing table
The behaviour is changed: Code-First Migrations generates DEFAULT EMPTY_CLOB() for new NOT NULL columns of CLOB/NCLOB types when adding them in the existing table
The behaviour is changed: Code-First Migrations generates DEFAULT '' for new NOT NULL columns of CHAR/NCHAR/VARCHAR2/NVARCHAR2 types when adding them in the existing table

05-September-13 New features in dotConnect for Oracle 7.9

Visual Studio 2013 Release Candidate is supported
SSIS DataFlow Source and Destination components for Oracle are implemented
OracleLoader is supported in the direct mode
The behaviour is changed: OracleLoader now uses direct path load if columns of supported types are used and if the connection uses OCI mode; otherwise, array binding is used

LinqConnect (formerly known as LINQ to Oracle)

The possibility to use the extension method AsQueryable() in LINQ queries is added
The support for correct retrieving of the TimeSpan and DateTimeOffset values while materializing is added
The implementation for the DatabaseExists method, which checks the existance of the tables in the database, is added
The possibility of creating Oracle schemas (users) for mapped model classes via the CreateDatabase(false,true)/CreateDatabase(true, true) method of the DataContext class is implemented
The possibility of deleting Oracle schemas (users) for mapped model classes via the DeleteDatabase(false,true)/DeleteDatabase(true, true) method of the DataContext class is implemented

Entity Developer

The "Close the window when the generation completes successfully" option in the Generation Process window is implemented in the standalone Entity Developer
The "Rewrite connection string during regeneration" option (default value is True) of model settings is added to provide the possibility to turn off modifying connection string in *.config after model is saved first time (Entity Framework models)
The design time support for model-defined functions is added (Entity Framework models)
The behaviour is changed: now connection string is configured with the name of the assembly, where the model is located, in case when the context class is located in another assembly (Entity Framework models)

Entity Framework

Entity Framework 6 Release Candidate 1 is supported
The config.DmlOptions.UseReturningClause configuration option (default value is True) is added to provide the possibility to turn off generation of RETURNING clause when obtaining database-generated values with INSERT/UPDATE commands
SharpMap 1.0 RTM is supported
NetTopologySuite 1.13.1 is supported
Devart.Data.Oracle.Entity.SharpMap.dll assembly is renamed to Devart.Data.Oracle.Entity.Spatials.dll

18-July-13 New features in dotConnect for Oracle 7.8

SQL Server 2012 Reporting Services is supported

Entity Developer

The "Model Name As Files Prefix" property is implemented for the templates which generate classes for model entities
The possibility of adding custom attributes to enum members is implemented
The behaviour is changed: a default value for the "Detect Table Per Type inheritances" option in Model settings is set to False
The behaviour is changed: the possibility to exclude the generation of keys (primary, foreign) in "Update Database From Model" and "Generate Database Script From Model " wizards is added
The behaviour is changed: the possibility to add one-to-one associations with nullable foreign key properties is added (LinqConnect models)
The behaviour is changed: now by default MVC Controller template generates files in the model folder, MVC View Advanced template creates files in the Views model subfolder

Entity Framework

NetTopologySuite GIS library support in Entity Framework 5 and 6 is added
The OracleSpatialFunctions class for working with Oracle Spatials functions in LINQ to Entities is added
The config.SpatialOptions.AlwaysUseGeometryDefaultSrid configuration option (default value is False) is added to provide the possibility to use the config.SpatialOptions.GeometryDefaultSrid value instead of reading the actual SRID for the DbGeometry spatial from the database
The config.SpatialOptions.AlwaysUseGeographyDefaultSrid configuration option (default value is False) is added to provide the possibility to use the config.SpatialOptions.GeographyDefaultSrid value instead of reading the actual SRID for the DbGeometry spatial from the database
The config.Workarounds.UseInvariantProviderManifestToken configuration option (default value is False) is added to provide the possibility of returning the invariant string literal as the provider manifest token
The config.SqlFormatting.Identation option is renamed to config.SqlFormatting.Indenting

04-April-13 New features in dotConnect for Oracle 7.7

Workflow Foundation 4.5 is supported
The behaviour is changed: provider's build action is installed on the target workstation, on which .NET Framework is available, without Visual Studio integration

LinqConnect (formerly known as LINQ to Oracle)

LINQPad integration is supported
The possibility to disable query cache via the DataContext's 'EntityCachingMode' property is added
Creation of auto-incrementing sequences and triggers for Oracle models is supported
The performance when working with the TPT-inheritance and retrieving descendants via OfType<> is improved

Entity Developer

A new MVC Controller template, generating a ASP.NET MVC controller with data access code, is added
A new MVC View Advanced template, generating an ASP.NET MVC view based in Twitter Bootstrap, is added
A new Data Transfer Object template for DTO classes generation is implemented
A new Data Annotation Metadata template, generating Data Annotation metadata classes and decorating classes and properties with data annotation attributes for validation, presentation and defining metadata, is added
A new WCF RIA Domain Service template, generating a WCF RIA Services domain service class for a Devart Entity Framework model is added
A new WCF RIA Domain Service template, generating a WCF RIA Services domain service class for a Devart LinqConnect model is added
Add Template dialog box is improved
The Namespace property of class, complex type, enum is implemented
The Entity Container Namespace properties of the model is implemented (Entity Framework models)
The support for enums declared in external assemblies is implemented
The capability for setting special rules for generating default names of database objects when using the Model First approach is implemented (a new Advanced page is added to the Synchronization->Database Naming section of the Model Settings dialog box)
The capability to customize properties that are automatically added when creating a new entity, and options that are automatically set when creating a new property is added (a new Initialization page is added to the Model->General section of the Model Settings dialog box)
The Refresh option in the Attributes tab of the Model Settings window is implemented; it updates the list of available attributes types in the referenced assemblies
The capability to modify custom attributes for several selected entities or properties at the same time is implemented
Automatic adding of references to Entity Framework specific assemblies when adding a new Devart Entity model to a project is implemented
The capability to cancel metadata reading in wizards and Database Explorer is added
The "Recreate Database Tables" check box, which allows to drop and recreate database tables, is added to the "Update To Database" wizard
New setting "Detect Table Per Type inheritances", which enables automatic detection of TPT inheritances, is added for Create Model Wizard and model
The "Include Drop" check box for including DROP commands for database objects to the generated script is added to Generate Database Script Wizard
A new shortcut menu command "Include Related", which allows making a copy of the related objects in the specified diagram, is added
A new shortcut menu command "Add To Model with Related", which allows adding tables, related to the selected one, to the model, is added to the shortcut menu of tables in Database Explorer
A new shortcut menu command "Add On Diagram With Related", which allows creating an object and all the objects related to it on a diagram, is added to the shortcut menu of classes, complex types, and enums in Model Explorer
New "Simple" diagram skin is added for displaying a diagram in metro style
The "Default Width" diagram property for specifying the default width for newly created diagram shapes (entities, complex types and enums) is added
The Save and Refresh buttons for persisting and reloading changes to / from a database is added to the Retrieve Data grid
The "WCF DataMember Attribute on Navigation Properties" property is added to the DbContext and POCO templates for pointing the end (-s) where the attribute should be generated
Devart.Data.Linq.Binary type is added to the "Type Mapping Rule Editor" (LinqConnect models)
The "Rewrite connection string during regeneration" check box of Model Settings is implemented to determine whether to overwrite the connection string in the project config file with the one, currently set in Entity Developer for the model, each time when regenerating code for the model (LinqConnect models)
The "Regenerate Storage and Mapping" option for regenerating model parts, specific to the database server, is added to the diagram shortcut menu
DbContext template is improved: a "WCF Data Contract Attributes" setting for generation of DataContract, KnownType, and DataMember attributes for classes and properties is added (Entity Framework models)
DbContext template is improved: "Implement INotifyPropertyChanging" and "Implement INotifyPropertyChanged" template settings are added (Entity Framework models)
DbContext template is improved: a new "Mapping Generation Strategy" property that determines the method of mapping generation is implemented (Entity Framework models)
POCO template is improved: a new "WCF Data Contract Attributes" setting for generating DataContract, KnownType, and DataMember attributes for classes and properties is added (Entity Framework models)
POCO template is improved: "Proxy Creation Enabled" setting is implemented (Entity Framework models)
POCO template is improved: new template settings, "Implement INotifyPropertyChanging" and "Implement INotifyPropertyChanged", are added (Entity Framework models)
POCO Entity template is improved: new template setting, "Property Change Notifiers", is added (LinqConnect models)
Create Model Wizard is improved: it is now able to download and install the required 'EnityFramework' Nuget package for Entity Framework 6 models, and for models for Entity Framework 4 and 5 in case they use the DbContext template
The Storage Column Editor dialog box is improved: the possibility to specify different settings that were previously available only in the Properties docking window are implemented (Entity Framework models)
Class Editor is improved: the capability to edit extended property settings, such as validation, presentation, and facets, is added
Type Editor is improved: the capability to edit extended property settings, such as validation, presentation, and facets, is added
Storage Entity Editor is improved: the capability to edit extended columns settings, such as facets, is added (Entity Framework models)
The behaviour is changed: "Save connection string in App.Config as" check box in Model Settings dialog box is renamed to "Use connection string from App.Config as" (LinqConnect models)
The behaviour is changed: now, when creating a new TPH discriminator column in Inheritance Editor, it has the string type by default
The behaviour is changed: the error is generated if the Abstract inheritance modifier is set for the class which is involved in the Table Per Type inheritance
The behaviour is changed: empty value is used in property editors instead of -1 for marking facets of class property without assigned value
The behaviour is changed: a string default value for the property can be set without quotes in the Properties window
The behaviour is changed: the validation error is not generated when an abstract class is used in Table Per Type inheritance (Entity Framework models)
The behaviour is changed: auto-implemented properties are generated when DbContext template is used with ImplementINotifyPropertyChanged=False and ImplementINotifyPropertyChanging=False (Entity Framework models)
The behaviour is changed: DatabaseGeneratedOption is always generated for EntityKey properties when using fluent mapping (Entity Framework models)

Entity Framework

Entity Framework 6 Beta 1 is supported
The complex type generation for a return result set of a stored procedure is supported in EDM Wizard / Designer
The config.DatabaseScript.ForeignKey.Enabled option (default value is True) is added to turn on/off generation of foreign key constraints
The error messages about long identifiers when using CreateDatabase/DropDatabase are improved
The behaviour is changed: CreateDatabase()/Code-First with DeleteDatabaseBehaviour.Schema does not try to create a schema (user) if it exists

28-February-13 New features in dotConnect for Oracle 7.6

ExtendedMembership (SimpleMembership) provider support is added
The behaviour is changed: array with the length over 2000 bytes now is not automatically trimmed when sending a parameter value of the OracleDbType.Raw type

Entity Developer

The possibility of setting enum values via predefined dropdown list in the Retrieve Data window is implemented

Entity Framework

Entity Framework 6 Alpha 3 is supported

17-January-13 New features in dotConnect for Oracle 7.5

The behaviour is changed: ORA-01403 is treated as an information message only for select statements

Entity Developer

The behaviour is changed: the serializing property and corresponding methods are not generated when using 'Fluent Mapping'/'POCO Entity' templates and Unidirectional mode (LinqConnect models)
The behaviour is changed: warnings about tables/views without primary keys are written to Error List window when generating a model (Entity Framework models)
The behaviour is changed: the EntityKey attribute is not assigned to each property of the class if there is no primary key in the corresponding table/view (Entity Framework models)
The behaviour is changed: empty value is used in property editors instead of -1 for marking facets of Storage Column without assigned value (Entity Framework models)

Entity Framework

Entity Framework 6 Alpha 2 is supported
Devart.Data.Oracle.Entity.dll assembly compiled with EntityFramework.dll 6.0 and NET Framework 4.0 is added
Devart.Data.Oracle.Entity.SharpMap.dll assembly compiled with EntityFramework.dll 6.0 and NET Framework 4.0 is added
Support for mapping CHAR(1) to System.Boolean is added
Support of custom filters when using the System.Data.Entity.Design functionality in the config.QueryOptions.AdvancedMetadataQuery mode is implemented
The behaviour is changed: the constraint name is ignored when a table primary key is deleted when running Code-First Migrations, that allows successful deletion of automatically named primary key

20-December-12 New features in dotConnect for Oracle 7.4

Entity Developer

Support for spatial data types in Entity Framework 5 models is added
Model Refactoring feature is implemented; it speeds up creating complex types and Table Per Type and Table Per Concrete Type inheritances from several model entities
Create Storage and Mapping command, that allows automatically creating of the corresponding storage part object and defining mapping, is added to the shortcut menu of classes, properties, and associations (Entity Framework models)
Select Storage Object command, that allows quick navigation to the corresponding storage part object, is added to the shortcut menu of classes, properties, associations, and methods (Entity Framework models)
The possibility to delete the corresponding storage part objects automatically when deleting conceptual model objects is added (Entity Framework models)
The functionality of ignoring columns in the database in the "Update To/From Database" wizards if they were omitted once before is implemented
The Property Editor dialog is improved: fast access to the editor of the corresponding storage object and the possibility to specify different settings that were previously available only in the Properties docking window are implemented (Entity Framework models)
The Inheritance Editor dialog is improved: specifying Discriminator column for Table Per Hierarchy inheritance in the editor is implemented (Entity Framework models)
The Class Editor dialog is improved: fast access to the editor of the corresponding storage object is implemented (Entity Framework models)
The Method Editor dialog is improved: fast access to the editor of the corresponding storage object is implemented (Entity Framework models)
The naming algorithm for the newly-created columns, which correspond to complex type's properties, when using the Model First approach is improved (Entity Framework models)
Warnings about objects that are not mapped are added
A SHIFT+DELETE keyboard shortcut for deleting entity, complex type, or enum from diagram only is added
An INSERT keyboard shortcut for creating a new entity, adding property to the selected entity/complex type or new member to enum is added
The possibility to view notes, added through the "Documentation" property, for all the diagram objects via hints is implemented
Hints for diagram objects are improved
The behaviour is changed: Configure Behaviour dialog is renamed to Stored Procedure Mapping; options for hiding inappropriate and mapped stored procedures are added (Entity Framework models)
The behaviour is changed: Table Editor dialog is renamed to Storage Entity Editor (Entity Framework models)
The behaviour is changed: Stored Procedure Editor dialog is renamed to Storage Procedure Editor (Entity Framework models)
The behaviour is changed: Configure Behaviour dialog is renamed to Stored Procedure Mapping (LinqConnect models)

29-November-12 New features in dotConnect for Oracle 7.3

LinqConnect (formerly known as LINQ to Oracle)

The fluent mapping is improved: support of the ID generators for primary keys is added

Entity Developer

The possibility to set different namespaces for the context and its entities when using the DbContext template is implemented (Entity Framework models)

Entity Framework

Support for spatial data types in Entity Framework 5 is added
Oracle Spatial MDSYS.SDO_GEOMETRY support in Entity Framework 5 is added
SharpMap GIS library support in Entity Framework 5 is added (new Devart.Data.Oracle.Entity.SharpMap.dll assembly is added)
Devart.Data.Oracle.Entity.Migrations.dll assembly built with the 5.0 version of EntityFramework.dll is added
Devart.Data.Oracle.Entity.dll assembly built with the 4.5 version of .NET Framework is added
The config.QueryOptions.AdvancedMetadataQuery option (default value is False) is added to turn on the advanced metadata query mode like the one which is used by Visual Studio Entity Data Model Wizard

06-September-12 New features in dotConnect for Oracle 7.2

Visual Studio 2012 is supported
The possibility to send/retrieve XMLTYPE in Oracle Advanced Queue is implemented: the OracleQueueMessage.XmlPayload property is added
Array binding memory usage with VarChar/NVarChar parameters is reduced
The Lob Block Size connection string parameter is implemented to determine the size of a block (in megabytes) to read/write CLOB or NCLOB data in the OCI mode when working with Unicode server
The behaviour is changed: the quote symbols will be ignored in the password value in the Direct mode

Entity Developer

Support for ADO.NET Entity Framework 5 is added
Predefined template for generating Repositories and Unit of Work classes is added
Integration with Visual Studio refactoring for renaming model objects is implemented
The "Use Database Comments" option of Model Settings is implemented to determine whether comments for database objects, if supported by DBMS, will be used for model objects Documentation initialization and taken into account when executing model or database update operations
The "Implement IClonable" option for the generated classes based on the model entities is added to all templates
The 'Entity Base' class property, which allows specifying the ancestor class/interface for a particular entity type, is implemented (LinqConnect models)
The behaviour is changed: the "Save connection string in App.Config as" option is available for LinqConnect models in the standalone version Entity Developer (the entry in App.Config must be added manually afterwards)
The behaviour is changed: when preserving schema name is disabled, schema name is no more saved for Oracle package functions/procedures (LinqConnect models)
The behaviour is changed: only particular (not all) property characteristics are regenerated when using Update Model From Database wizard after the metadata of the corresponding column have been changed (LinqConnect models)

Entity Framework

ADO.NET Entity Framework 5 is supported
The config.CodeFirstOptions.UseNonLobStrings option (default value is False) is added in order to treat string properties without an explicitly specified server data type as non-LOB
The config.CodeFirstOptions.UseDateTimeAsDate option (default value is False) is added to treat DateTime properties without an explicitly specified server data type as DATE
The SQL generation for the .Substring(startIndex) method is optimized
The behaviour is changed: Devart.Data.Oracle.Entity.Migrations.dll is built with the 4.4 version of EntityFramework.dll now

17-July-12 New features in dotConnect for Oracle 7.1

Entity Developer

The possibility to unload assemblies from the main application domain by using separate application domain is implemented
The possibility to disable such Database First Settings as type mapping rules is implemented
The design time copy/cut/paste functionality for enum members is added
The overloaded stored procedures and functions are supported
The behaviour is changed: the warning, related to the missing property setter, is disabled (LinqConnect models)
The behaviour is changed: for the association, in which the many-side entity hasn't the primary key, the code and the mapping are not generated (LinqConnect models)
The behaviour is changed: the properties, that correspond autoincrement fields, are generated with a ReadOnly keyword in VB.NET (LinqConnect models)

Entity Framework

The support of the Oracle Text full-text search functionality is implemented
The OracleTextFunctions class for working with Oracle Text functions in LINQ to Entities is added
The OracleCtxDdlPackage class for working with Oracle Text stored procedures of the CTX_DDL package is added
The OracleCreateIndexConfiguration class for customizing the CreateIndex operation in Code-First Migrations is improved
The OracleDropIndexConfiguration class is added for customizing the DropIndex operation (deleting Oracle Text indexes) in Code-First Migrations
The existing configuration classes for customizing the Code-First Migrations operations are renamed - the "Oracle" prefix is added (for example, the CreateTableConfiguration class was renamed to OracleCreateTableConfiguration); derived classes with the old names are added for backward compatibility
Creating indexes for FK columns in Code-First CreateDatabase functionality is implemented
The config.DatabaseScript.ForeignKey.IndexCreation configuration option is added (default value is True)
The config.DatabaseScript.ForeignKey.IndexTablespace configuration option is added to provide the possibility of setting the TABLESPACE, in which the index, created for the columns being parts of the foreign key, should be placed
The option of setting ConcurrencyCheck for CLOB/NCLOB columns (for better support of LightSwitch) is implemented
Overloads for the ToChar/ToNchar methods of the OracleFunctions class are added
The possibility of setting configuration options via the application config file is implemented
The Devart.Data.Oracle.Entity.xsd file is added to the installation in order to simplify setting and validating the application config file settings when using the XML Editor
Code-First Migrations now supports specifying the schema (database) the table belongs to
The config.Workarounds.IgnoreDboSchemaName configuration option is added. The option is automatically set to True, if Code-First (Migrations) EF v4.x/5.x is used
The ColumnTypeCasingConventionCompatibility configuration option is moved from Workarounds to CodeFirstOptions (now it is config.CodeFirstOptions.ColumnTypeCasingConventionCompatibility). For the backward compatibility a wrapper property remains in Workarounds
The config.CodeFirstOptions.UseNonUnicodeStrings configuration option (default value is False) is added in order to treat string properties without an explicitly specified server data type, as non-unicode
The config.CodeFirstOptions.TruncateLongDefaultNames configuration option is added (default value is False) to provide the possibility of truncating long default names of indexes, primary keys, foreign keys, triggers, and sequences generated by Code-First Migrations
The config.QueryOptions.UseCSharpNullComparisonBehavior configuration option for checking for NULL when comparing a nullable property (column) or an expression with a variable (parameter) in LINQ to Entities is implemented (by default, false)
The config.QueryOptions.CaseInsensitiveComparison option is implemented to manage the compare behaviour when using Linq to Entities comparison expression such as "a == b" (by default, false)
The overloaded stored procedures and functions are supported in Entity Framework runtime
CASE generation is improved
The behaviour is changed: Substring() in LINQ queries is now translated to DBMS_LOB.SUBSTR for LOBs
The behaviour is changed: the ColumnTypeCasingConventionCompatibility configuration option is automatically set to True for EF v4.3.x & 5.x. If you use DbContext with XML mapping (in EF v4.1 & v4.2), from now on you should explicitly set ColumnTypeCasingConventionCompatibility=False
The behaviour is changed: in case of using Code-First (Migrations) EF v4.x/5.x the schema name 'dbo' will be ignored by default

22-May-12 New features in dotConnect for Oracle 7.0

Visual Studio 2012 Release Candidate is supported
The support for executing PL/SQL blocks using the OracleCommand.ExecuteArray method in the Direct mode is added
The support for the Batch Errors mode in the OracleCommand.ExecuteArray method in the Direct mode is added
The Initialization Command connection string parameter is implemented
The behaviour is changed: the 'sender' parameter in MonitorEventHandler is a connection and the MonitorEventArgs.ExtraInfo property is filled with the connection string
The behaviour is changed: now the general exception is not added to the OracleException.Errors collection when executing a DML array
The behaviour is changed: an existing internal connection is used now if connections with the same connection string are opened and closed several times in scope of a distributed transaction for the case when there are several connections with different connection strings in the transaction
The behaviour is changed: the access modifier of the connectionString field of web provider classes is changed from private to protected

LinqConnect (formerly known as LINQ to Oracle)

References to System.Data.Linq are removed; now LinqConnect uses only its own classes
Upgrade wizard for upgrading projects to the new version of LinqConnect automatically is added
The possibility to choose cache mode (classic mode for cases when DataContext is used as a unit of work, and self-cleaning mode for cases when DataContext is a long-lived object) is added
The possibility to map stored procedure out parameters of the CURSOR type to IEnumerable parameters of the corresponding methods is added
Tracking of complex object graphs with chains of parent-child objects is optimized
Number of database calls required for managing objects with a many-to-many association is reduced
Delete rule performance is improved
Compilation performance is improved
Materialization performance is improved
Compiled query cache is improved

Entity Developer

The precision facet for DateTime and DateTimeOffset properties is supported
The sticker notes for adding comments to diagrams are implemented
The possibility to add a stamp, specifying diagram author, company, version, copyrights, project name, and date, to a diagram is implemented
New Collapse All and Expand All menu commands for collapsing and expanding diagram shapes are added
The "Pluralize collection navigation properties" option for the possibility to turn off the pluralization of the many-end names of associations is implemented
The "sealed override" inheritance modifier for methods based on stored procedures and functions is added (LinqConnect models)
The behaviour is changed: System.Int64 is mapped to Number(19) now when using Model First approach
The behaviour is changed: context menu commands for working with diagram are grouped to the Diagram submenu of the context menu
The behaviour is changed: the possibility to change diagram shape color via the corresponding Shape -> Color context menu command is added
The behaviour is changed: when pasting a copied entity to a new diagram, a new entity is not created, the existing entity is added to this diagram
The behaviour is changed: when cutting an entity from the diagram, the entity is not cut from the model, only from the diagram
The behaviour is changed: "Update Model From Database" wizard places newly added properties to the base abstract class now instead of putting them into child classes where the mapping is (Entity Framework models)
The behaviour is changed: System.Double is mapped to Number now when using Model First approach (Entity Framework models)

Entity Framework

The config.CodeFirstOptions.RemoveSchemaFromDefaultConstraintName option for removing schema name from the default constraint name is implemented in Code-First Migrations (by default, true)
The config.CodeFirstOptions.AddTableNameInDefaultIndexName option for adding a table name to the default index name is implemented in Code-First Migrations (by default, true)
The config.CodeFirstOptions.DisableIndexQuoting option is implemented for a backward compatibility with migrations which use indexes, generated and applied in the 6.xx versions
The support of fractional seconds for TIMESTAMP, TIMESTAMP WITH TIME ZONE, and TIMESTAMP WITH LOCAL TIME ZONE in Entity Data Model Wizard/Generate Database Wizard and Code-First CreateDatabase functionality is added
The behaviour is changed: by default in Model-First and Code-First approaches the DateTime property is not TIMESTAMP anymore, but TIMESTAMP(7), and the DateTimeOffset property is TIMESTAMP(7) WITH TIME ZONE
The behaviour is changed: the comparison of a column and an empty string literal in LINQ to Entities (column == "") is translated into the check if the column is equal to NULL in SQL (column IS NULL) now

15-Mar-12 New features in dotConnect for Oracle 6.80

Visual Studio 11 Beta is supported
The OracleNotificationRequest.QueryBasedNotificationMode property for selecting the best-effort or guaranteed query result notification mode is added
The OracleNotificationRequest.Operations property for the selection of operations, for which notifications should come, has been added
The DirectUtils.OldAuthMode property for using the old password encryption algorithm during authentication in the Direct mode is added
Usage of any symbols in the OracleParameter.ParameterName property for the stored procedure is supported
The behaviour is changed: the best-effort query result notification mode is used by default in OracleDependency
The handling of empty options in the connection string is improved
The performance of OracleDataAdapter when using MissingSchemaAction.AddWithKey is improved

Entity Developer

The copy/cut/paste functionality is added for objects of the conceptual part of a model
The OracleFunctions.SysExtractUtc(DateTimeOffset?) overload is added
The possibility to drag&drop properties between classes in Model Explorer is implemented
The "HeaderTimestampVersionControlTag" generation template option is added for improving integration with version-control systems
The multiline popup editor for the Documentation.Summary property is implemented
The behaviour is changed: the Migrate option is added to the context menu of property in Model Explorer
The behaviour is changed: entities and enums on the designer surface are more resizable now

Entity Framework

Entity Framework 5.0 Beta 2 is supported
SQL generation for .Any method in LINQ to Entities is improved
The possibility to specify the sequence and trigger names via CreateTableConfiguration and DropTableConfiguration classes in Code-First Migrations is implemented
The behaviour is changed: Devart.Data.Oracle.Entity.Migrations.dll is built with the 4.3.1 version of EntityFramework.dll now

27-Jan-12 New features in dotConnect for Oracle 6.70

The support for OBJECT, TABLE, VARRAY, REF, XMLTYPE data types in Direct mode is added
The support for Oracle 9i, Oracle 10g, and Oracle 11g authentication in the Direct mode is added
The support for username/password containing national characters in the Direct mode is added
The OracleTrackingBehavior and OracleTrackingElement classes for enabling Oracle Workflow Tracking using a configuration file are added
The promoted properties feature of Oracle Workflow Instance Store is implemented
The support for BINARY_DOUBLE and BINARY_FLOAT data types in Direct mode is added
The behaviour is changed: one internal connection is used now if connections with the same connection string are opened and closed several times in scope of a distributed transaction
The behaviour is changed: The Value property of PL/SQL array output parameters now returns an array with the length equal to the length of the value, returned by Oracle

Entity Developer

The validation of method parameters in LinqConnect models is added
The context menu options for unchecking changed/added/dropped tables are implemented for the root nodes in the "Update To/From Database" wizards
The possibility to rename the storage part of the model in Model Explorer is implemented (Entity Framework models)
The diagram design is changed: an arrow (instead of a triangle) is used on the tip of an association now
Materialized view support is added
The documentation generation for navigation properties is implemented
The "Recreate Model" option, allowing to rebuild the model from a scratch, is added to the "Update Model From Database" wizard
The "GeneratePartialClass" template property to generate a partial class, which will not be overwritten by the designer, for each class in the model is added
The stored procedures support in DbContext template in case of XML mapping is implemented (Entity Framework models)
The behaviour is changed: database column comments are transfered to the Summary attribute of the Documentation property now

Entity Framework

Entity Framework 4.3 (Code First Migrations) is supported
Oracle-specific Code First Migration customizations are implemented
The validation of identifier name length in Code-First Migrations is implemented
The conversion of .StartsWith, .Contains, .EndsWith to LIKE clause in the generated SQL for the case of expression-based condition is supported
The Code-First Migrations behaviour is changed: if the nullable value of the property in migration is not set explicitly, the corresponding column will be created nullable

09-Dec-11 New features in dotConnect for Oracle 6.60

Workflow Tracking support is implemented
Enabling Persistence for WAS-Hosted Workflow Services that use the WorkflowServiceHost using a Configuration File is supported

Entity Developer

Capability for customizing the default Type Mapping Rules is implemented
Capability for setting diagram options either globally for all diagram documents or separately for a particular one is implemented: the Diagram Appearance and Printing options can now be set through the Options dialog box
Capability for setting such options as Environment, Diagram and Servers' to adjust the Entity Developer behavior, Model diagram behavior and Type Mapping Rules to your needs is implemented
Capability for setting and defining the class property validation rules based on different engines (Data Annotation, Enterprise Library, NHibernate Validator) is added
The 'Numeric Primary Key As Identity' Oracle option is added: if this option is checked, the "StoreGeneratedPattern" will be set to Identity by default for Number primary keys
The HasStream attribute of entity types, used retrieve binary data as a stream via Open Data Protocol, is supported (Entity Framework models)
The documentation generation for Enum members is implemented
The "Detect function-based column default value" option for automatic setting StoreGeneratedPattern to Identity for corresponding columns is implemented for Entity Framework models (by default, false)
The algorithm for forming the Navigation Properties names, when there are several FOREIGN KEY constraints between the same tables, is changed
The behaviour is changed: the Navigation Property will not be displayed on the diagram and in Model Explorer if "Generate" is set to false for the appropriate association end
The behaviour is changed: the Validate Max Length attribute is synchronized with the Max Length attribute of Property by default now
The behaviour is changed: the Validate Required attribute is synchronized with the Nullable attribute of Property by default now
The behaviour is changed: when selecting a property in the Model Explorer, the corresponding entity on the diagram does not expand if it is collapsed

Entity Framework

The PL/SQL BOOLEAN parameters of stored procedures are supported in Entity Data Model Wizard
The behavior of the Database.Delete code-first method is changed: the constraints are now disabled when database objects are deleted
The config.QueryOptions.NoEscapeLike and CaseInsensitiveLike options are implemented to manage LIKE behaviour when using Linq to Entities extention methods .Contains() .EndsWith() .StartsWith()
The possibility of using Oracle optimizer hints in LINQ to Entities queries is implemented
The behaviour is changed: the BINARY_FLOAT and BINARY_DOUBLE data types are mapped to Single and Double correspondingly in Entity Data Model Wizard
The behaviour is changed: if an output cursor parameter of a stored procedure is not specified in the "Result Set Parameter" property, it will now be processed automatically

06-Sep-11 New features in dotConnect for Oracle 6.50

The 'OraMts' connection string parameter for distributed transactions support through OraMTS is added
Devart.Data.Oracle.DurableInstancing assembly and namespace were renamed to Devart.Data.Oracle.WorkflowFoundation
The possibility of choosing connections that are created with Oracle Object Wizard and Oracle Package Wizard is implemented for different project types
Behaviour is changed: pending operations on a connection are rolled back before returning the connection to pool

LinqConnect (formerly known as LINQ to Oracle)

Fluent Mapping support is added

Entity Developer

Fluent Mapping template for LinqConnect models is added
Support for enumerated types ("enums") in LinqConnect and Entity Framework June 2011 CTP models is implemented
Import for selected stored procedures into the context model for Entity Framework models is implemented
New skins to improve the apllication appearance are implemented
Selection driven highlighting is implemented
Capability for changing the shape color for entities, complex types and enums is implemented
Capability for selecting the diagram skin type is implemented
Disabling facets that are not applicable to the current field type is implemented (LinqConnect models)
The possibility of specifying the name of the connection string to be saved in the application configuration file is implemented
Default behaviour changed: now the Update To Database Wizard does not drop foreign keys of a table if the 'master' one is not represented in the LinqConnect model
The default attribute mapping source for LinqConnect models is made static
Behaviour is changed: table is not marked as "Changed" in Update Wizard if DefaultValue is set for its expression column

Entity Framework

The generation of DATE/TIMESTAMP parameters in LINQ queries is improved
The possibility to turn off generation of fake updates for parent entities is implemented
The REGEXP Oracle functions for working with regular expressions are supported
The code generation is improved to distinguish DATE from TIMESTAMP when using database independent fluent mapping
Changed behaviour: the CHAR and VARCHAR2 columns are created with the CHAR semantics for EF Code-First CreateDatabase()

17-May-11 New features in dotConnect for Oracle 6.30

Oracle Workflow Instance Store is implemented
Support for the Oracle TimesTen database is implemented
DbTransactionBase class is added
TransactionStateChanging and TransactionStateChanged events are added to the DbConnectionBase class
The OracleConnectMode.SYSASM privilege is supported
Policy file for the Devart.Data.Oracle.Entity assembly is added
The License Information Wizard is improved: it now generates licenses for projects that have Entity Framework models or refer to Devart.Data.Oracle.Web, but have no direct references to Devart.Data.Oracle.dll
The support of events which occur when connections are taken and returned to pool for processing OracleMonitor.TraceEvent is added
The "Use schema name" check box is added to DataSet Wizard

LinqConnect (formerly known as LINQ to Oracle)

Eager loading is implemented in case the related entities collection is referenced in the select clause of the query
IFetch mode customization for eager loading of related entities is implemented
Performance of ordered queries with the Skip() and Take() methods is improved: the 'rownum' pseudo-column is now used instead of the 'row_number' function
The 'IsReference' mode of entity serialization is supported

Entity Developer

New Templates are added:
- LinqConnect: POCO template with XML mapping generation
- Entity Framework: POCO template, Self-Tracking template, DbContext template with fluent mapping generation
Templates usability is improved
Template Editor is significantly improved
Ability to declare additional properties for model objects is added
Ability to specify .NET attributes for model objects is added
The possibility to export the diagram into an image file was added
The possibility to restrict adding the connection string information to the application configuration file is added
The changes in the Entity name are now preserved by Update From Database Wizard (Entity Framework models)
The Entity Key handling for Views in Update From Database Wizard in Entity Framework models is improved
The pluralization algorithm is improved when Naming rules are defined
Runtime support for literals specified in the 'Default Value' entity field property for LinqConnect models is implemented
The "Preserve schema name in storage" option is added
Behaviour is changed: string entity fields are now mapped to varchar2(4000) by default

Entity Framework

Entity Framework 4.2 June 2011 CTP is supported
Batch Updates support is added
Adjustable SQL Formatting for DML commands is added
Ability to configure the NULL values inserting behaviour is added
The "raw guid as string" SSDL type is implemented for text presentation of binary Guids
The processing of LINQ expressions which work with literals is improved
IgnoreSchemaName workaround (mainly for Code First) is added
DisableQuoting workaround is added
OracleFunctions.Like support (including LINQ to Entities) is added
Configurable schema deletion and creation support is added
Number Mappings support in Entity Data Model Wizard and Update From Database Wizard is added
Multiple Include support is improved
The handling of the StoreGeneratedPattern in Update From Database Wizard is improved
Processing of Edm.StartsWith, Edm.Contains, and Edm.EndsWith is improved
Redundant casts for the DATE and TIMESTAMP columns are excluded from the generated query

27-Jan-11 New features in dotConnect for Oracle 6.10

Supported Visual Studio 2010 Service Pack 1
Added DDEX support in Express Edition
Supported SQL Server Reporting Services x64
Supported Oracle Database Resident Connection Pooling (DRCP)
Added 'Connection Class' connection string parameter and OracleConnectionStringBuilder.ConnectionClass property for DRCP support
Improved public interface of OracleNumberMappingCollection class
Implemented support for the TIMESTAMP, INTERVAL, CLOB, and BLOB Oracle data types in the OracleLoader component
Implemented support for the OracleCommand.CommandTimeout and OracleConnection.ConnectionTimeout properties in the OCI connection mode
Added possibility to use overloaded stored procedures which do not return result set with ExecuteScalar()/ExecuteNonQuery() without setting a number of overload when parameters are added manually
Improved Oracle Objects Wizard: now it generates a constructor receiving non-typed OracleObject
Implemented generation of UDT method wrappers in the Oracle Object wizard
Added BeginTransaction value to the MonitorEventType enum
Implemented the DbMonitor.EventQueueLimit property which allows to set the maximal allowed number of messages waiting for being processed by the dbMonitor application
Changed behaviour in OracleClient compatibility mode: stored procedures are called with named parameters now
Changed behaviour: OracleDbType.VarChar parameter's max size is increased from 4000 to 32767 symbols

LinqConnect (formerly known as LINQ to Oracle)

Implemented the Attach(object entity, object original) method of the Devart.Data.Linq.ITable interface
Implemented implicit sorting by the entity key in queries with defined LoadWith rules

Entity Developer

Added possibility to split model into several diagrams for better handling of large models
Supported automatic generation of sequences and triggers for Autoincrement properties
Implemented possibility to disable automatic recognition of many-to-many associations
Added ConstraintSet property for Constraints in the Store part of the Entity Framework model
Added mapping for Function Import result types (Entity Framework v4 only)
Changed behaviour: when adding two related entities with the corresponding properties having different types, an invalid association is created now

Entity Framework

Entity Framework 4.1 RTW supported
Improved TPT inheritance support in case of updating the inherited entities
Added new column generation based on Unicode and non-Unicode columns union in queries
Improved performance for Visual Studio LightSwitch Beta 1 integration
Microsoft Generate Database from Model Wizard: Changed Date type to Timestamp type for DateTime properties
Improved Skip/Take performance
Improved performance by removing the unnecessary CAST statements

29-Nov-10 New features in dotConnect for Oracle 6.00

Supported Visual Studio 2010 Service Pack 1 Beta
Supported OracleConnection.ChangePassword() in Direct mode
Added "Transaction Scope Local" connection string option that enables the support for non-distributed transactions in the TransactionScope implementation
Improved interface in DbLoader class - added string and integer indexers
Added overloads for methods of DbDataReaderBase class with column name parameter
Implemented returning the error code of SocketExceptions thrown on network errors occurring when opening Direct connections
The NumberMapping and NumberMappingCollection classes renamed to OracleNumberMapping and OracleNumberMappingCollection
Implemented the OracleCommand.PassParametersByName property and the 'Pass Parameters By Name' connection string parameter
Added the 'Number Mappings' connection string parameter that allows to change default mappings of Oracle Number and Float types to .NET number types
Added the 'Validate Connection' connection string parameter to validate connection on its retrieving from pool
Changed behaviour: when clearing the pool, the number of connections specified in 'Min Pool Size' is never removed

LinqConnect (formerly known as LINQ to Oracle)

Ability to execute DML statements in batches on SubmitChanges added
Table Per Type inheritance supported
Supported ASP.NET Dynamic Data with ASP.NET Dynamic Data project templates
PLINQ support added (connection manager redesigned for thread safety)
Supported Visual Studio Debugger Visualizer with SQL syntax highlighting for the DataQuery objects
Implemented support for custom type arguments in LinqConnect compiled queries

Entity Developer

Update To Database with Storage Synchronization functionality added
Added possibility for changing the UpdateCheck property for several fields at once
Added Update Model From Database functionality
Added multiselect support for properties
Improved large models handling

Entity Framework

Entity Data Model Wizard and Update Model from Database Wizard in Visual Studio 2010 Service Pack 1 Beta supported
Improved SQL generation for IN (Entity SQL) and Contains (LINQ to Entities) clauses
Improved performance for DateTime literals

20-May-10 New features in dotConnect for Oracle 5.70

Supported password salt in ASP.NET membership provider
Implemented capability of extending base functionality of ASP.NET providers
Added ClientId connection parameter
Improved Upgrade wizard
Added support for Enterprise Library 5
Implemented integration with Visual Web Developer 2008 and 2010 Express editions
Added support for user-defined types with sys.xmltype fields
Added Trim Fixed Char connection string parameter
Added additional overloads of OracleParameterCollection.Add() method
Implemented additional constructors for OracleParameter class
Implemented explicit disposing of OracleCommands used in the Enqueue/Dequeue methods of the OracleQueue components
Added possibility for handling the ORA-01403 informational message
Implemented host option for current process in dbMonitor
Added possibility for tracing the distributed transactions in DBMonitor
Changed behaviour: OracleParameter.OracleDbType will be set by default to OracleDbType.Clob for the values which are longer than 4000 symbols
Changed the primary key of the aspnet_sessions table for ASP.NET Web providers (the ApplicationName column added)
Added functionality for setting size of packets sent on command execution
Changed generation of overloaded procedures names in Oracle Package Wizard
Changed default behaviour of OracleTransaction without explicit Commit/Rollback call (RollBack now)

LinqConnect (formerly known as LINQ to Oracle)

LINQ to Oracle support is renamed to LinqConnect
Added support for Complex type
Added support for different configurable algorithms for primary key generation
Automatic configurable compiled query caching supported
Performance improved
DateTimeFormat is set in accordance with session parameters
Changed DataContext.Log output format for Microsoft compatibility reasons
Improved transaction behaviour in case when exception is thrown
DataContext class is now CLS-Compilant
Changed behaviour: Substring() in LINQ queries is now translated to DBMS_LOB.SUBSTR for LOBs
Added the client NLS settings support in the TO_NUMBER function
Added implementation of the ITable interface for the Table class

Entity Developer

Added possibility of renaming associations in the model
Improved code generation for procedures returning several cursors
Added default bindings to entity fields in Insert(Update/Delete) MethodMappings

Entity Framework

Model First support improved
- Added more settings in Devart SSDLToOracle.tt file
- DROP statements generation added
- Schema name is not generated before each object
- Generated scripts are now SQLPlus-compatible
Added implementation for the DatabaseExists method
Improved select performance in case of specific double values

15-Apr-10 New features in dotConnect for Oracle 5.60

Supported Visual Studio 2010
Install Wizard improved (ability to automatically uninstall previous version added)
ADO.NET Data Services v1.5 CTP2 supported
Added possibility to avoid connecting to dbMonitor.exe when using DbMonitor ancestors
Transaction rollback timeout changed from ConnectionTimeout to DefaultCommandTimeout

LINQ to Oracle

Added support for specific dynamic expressions

Entity Framework

Supported ADO.NET Entity Framework 4
- Support for new Canonical aggregate and scalar functions added
- Ability to use standard DBMS functions in LINQ queries added
- Support for Model First (templates for DB generation) added
- Full support for Entity Data Model Wizard/Update Wizard added
Added support for methods creating and deleting the database (EF v1 and EF v4)

Entity Developer

Support for ADO.NET Entity Framework 4 added
Support for multi-result set methods added
Improved dialogs for editing model objects
Full integration with Visual Studio implemented
Added full support for ModificationFunctionMapping
Strongly typed reference cursors supported
Improved Find in Model functionality
Strongly typed reference cursors supported
Improved One-To-One associations handling

20-Nov-09 New features in dotConnect for Oracle 5.35

Integration with improved dbMonitor added
Implemented DefaultCommandTimeout parameter in connection string (by default, set to 0)
Added orderid column for Site Map provider for custom map node ordering
Added some DataSet Wizard design-time improvements

LINQ to Oracle

Devart DbLinqDataSource added
Linq performance improved
Supported navigation using properties (not only keys)

Entity Developer

New T4 like template engine with powerful editor added
Updated code generation
- Ability to generate separate files for classes added
- Entity Framework Pregenerated Views support added
- Improved null handling code generation
Ability to execute LINQ and Entity SQL queries with data and native sql preview added
Ability to preview and edit data displayed in Database Explorer added
Table splitting added (emulation of deferred loading for "large" datatypes in EF)
OnDelete support for associations added

14-Jul-09 New features in dotConnect for Oracle 5.25

Visual Studio 2010 Beta supported
ASP.NET Web Providers: Added requiresUniqueEmail functionality
Performance improvements in Direct mode when executing DML commands

LINQ to Oracle

Added support of the String.IsNullOrEmpty() method

Entity Developer 2.20

Advanced mapping with Entity Framework QueryView supported
Oracle packages supported
Displaying of Navigation properties on diagram and project explorer implemented
Ability to change properties order added
Ability to edit Referential constraints added
Ability to set OnDelete action added
Ability to set Rows Affected parameter added
Added dialogs for suitable storage model editing
Added advanced search on the model
Added support for storing connections in the configuration files
Added Entity Set Pluralization Naming Rule

28-Apr-09 New features in dotConnect for Oracle 5.20

LINQ to Oracle

Supported extended errors processing
Supported DataLoadOptions class and Include method for tuning data loading
Supported DeferredLoadingEnable functionality
Supported function import
Supported stored procedures as insert/update/delete behavior
Supported user-defined functions in selection part of a query
Supported CreateDatabase() and DeleteDatabase() methods
Supported SqlMethods class
Supported returning new Dictionary from query
Removed redundant TRIM() function calls

Entity Developer 2.00

Supported Entity Framework
Supported stored procedures and functions for LINQ to SQL
Added naming rules for database objects
Added Visual Studio integration
Validation schema improved
Entity Framework Complex Type supported
Entity Framework Storage Model editing supported
Many-to-Many associations retrieving added
Usability improvements
Stability and performance improvements

13-Nov-08 New features in dotConnect for Oracle 5.00

OraDirect .NET renamed to dotConnect for Oracle
Supported LINQ to Oracle
Added Entity Developer for LINQ to Oracle
Added free Express Edition with basic connectivity features
Added Developer Edition, which is equivalent to the Professional Edition plus OraDeveloper Tools
TransactionScope supported
Support for .NET Framework 1.x is discontinued
Renamed assemblies, namespaces, and classes (for information on upgrading your projects please refer to FAQ, section Subscriptions and Upgrades)

Entity Framework support

Improved performance of EDM Wizard
EDM Wizard now supports system privileges SELECT ANY TABLE and EXECUTE ANY PROCEDURE
EDM Wizard now supports grants and privileges of the user's role

20-Aug-08 New features in OraDirect .NET 4.75

Supported .NET Framework 3.5 Service Pack 1
Supported Visual Studio 2008 Service Pack 1

29-May-08 New features in OraDirect .NET 4.70

Supported .NET Framework 3.5 Service Pack 1 Beta
Supported Visual Studio 2008 Service Pack 1 Beta
Improved support for ADO.NET Entity Framework

23-Apr-08 New features in OraDirect .NET 4.60

Supported Visual Studio designers for Entity Framework
Improved Entity Framework run time support

26-Feb-08 New features in OraDirect .NET 4.50

Oracle ANYDATA type supported
Added DB server-based data paging for web applications
OracleDataSource design time improvements
ASP.NET demo pack added
OracleSelectStatement.TryParse method added
OracleXml class changed
DataLink.DataSource property can refer to another DataLink component

20-Dec-07 New features in OraDirect .NET 4.35

Visual Studio 2008 supported
Entity Framework Beta 3 supported
Added Licensing Information dialog

19-Nov-07 New features in OraDirect .NET 4.30

Oracle version 11g supported

25-Oct-07 New features in OraDirect .NET 4.25

.NET Entity Framework Beta 2 supported
Visual Studio 2008 Beta 2 supported
Added Visual Basic versions to CRM, WinForms, and Web samples

30-Aug-07 New features in OraDirect .NET 4.20

Supported Visual Studio codename Orcas Beta 1
Supported .NET Entity Framework
Supported Proxy Authentication
Supported OCI Pooling
Enhanced command builder with generation of row refresh statements
Added detailed warning information to OracleInfoMessageEventArgs class
Added DbCommand.GetRecordCount() method to determine rows count of a request
Added INullable interface for provider specific types
Improved LOBs performance in Direct mode
Added capability to store connection strings in application settings
Improved integration with OraDeveloper Tools
Extended drag'n'drop capabilities in DataSet Manager
Add-in menu moved to Visual Studio package
Demo projects reorganized
Added CRM (Customer Relationship Management) demo project
Added Ping demo project for Mobile Edition

03-May-07 New features in OraDirect .NET 4.00

Application development enhancement

Added DataSet Manager to control dataset instances in the project
Added DataSet Editor for convenient datasets manipulation
New OracleDataSet class to use with OracleDataTable
New component DataLink added for flexible data binding
New capabilities added to OracleDataTable class
Added capability for cross-form components cooperation
Design time visualization extended
Supported addin, DataSet Wizard, and OraDeveloper Tools integration with Borland Developer Studio

.NET 2 features

Added OracleDependency class to support Database Change Notification
Added OracleDataSourceEnumerator class to support Server Enumeration feature
Added support for Batch Update in OracleDataAdapter
Added support for returning provider-specific types in OracleDataReader and OracleDataAdapter

Advanced Oracle features

LOBs and Oracle Objects now entirely support the disconnected model
Supported Oracle Advanced Queue technology
New OracleAlerter component added
New OraclePipe component added
New OracleTrace component added
Oracle Client Software x64 supported
Added support for custom UDT classes
Added support for IN and IN/OUT REF CURSORs
OracleDataAdapter now supports sequential fetch
Added new class OracleGlobalization for managing culture settings

Other features

SQL Server 2005 Business Intelligence Solutions supported
Added OracleSelectStatement class for building SELECT statements
Added list of servers in connection form and connection properties
Added OracleLoader.LoadTable method
Added DbLoader class that serves to load external data into database
Added OraDirect .NET information to Visual Studio 2005 splash screen and About box
Base level classes moved to the new assembly CoreLab.Data.dll
New demo projects added
Bug with handling broken connections in connection pool fixed
Bug with InputOutput VARCHAR parameters fixed

OraDeveloper Tools 2.00 improvements

Added PL/SQL and SQL script debuggers
Added a project management framework for bookmarking related scripts and organizing database developments
Enhanced SQL Editor with context-sensitive code completion, code navigation, incremental search, and more
Enhanced working with data, including possibility to print data directly from data editor
Added search in object data and source code
Added an extensive collection of SQL and PL/SQL code templates
Completely redesigned Security Manager for controlling user accounts
Added a Session Manager for controlling and analyzing user sessions
Added an Event Monitor for exchanging signals between database connections
Extended Oracle schema object support, including support for XML Schemas, Materialized Views, and Materialized View Logs

12-Dec-06 New features in OraDirect .NET 3.55

Windows Vista support added

17-Apr-06 New features in OraDirect .NET 3.50

Implemented advanced integration with Visual Studio 2005, including Server Explorer, Data Source wizard, TableAdapter configuration, Query Builder and configuring web component SqlDataSource
Mono support added
ASP.NET 2.0 providers added: Membership Provider, Profile Provider, Role Provider, Session State Provider
Capability to call OraDirect .NET runtime assemblies by partially trusted code added
DataSet Wizard added
Enterprise Library Data Access Application Block support added
Added streaming support for OracleScript
OraDeveloper Tools installation separated from OraDirect .NET installation
Four digits of OracleConnection.Client version is returning
Licensing for applications that call OraDirect .NET through DbProviderFactory added.
This allows to use OraDirect .NET in SQL Server 2005 Business Intelligence Solutions

28-Dec-05 New features in OraDirect .NET 3.20

Supported .NET Framework 2.0 release version
Supported Visual Studio 2005 release version
Compact .NET Framework 2.0 supported
Performance improved in working with Oracle Object types
Sample projects for OraDirect .NET Mobile added

OraDeveloper Tools improvements (Professional edition only):

Database export/import
Script support
Stop execution feature
Execution of the selected SQL fragment feature
Data Export feature
Dynamic data viewing of the tables and views in DbExplorer
Paginal data access mode
LOB viewer/editor
Database object search
Duplicate object feature
DDL generation wizard
Data grid colors customizing

11-Jul-05 New features in OraDirect .NET 3.01

OracleCommandBuilder.UpdatingFields property added
OracleLoader now inherits from DbLoader class

03-Jun-05 New features in OraDirect .NET 3.00

Access to Oracle server without Oracle client software with Direct mode
Support for .NET Compact Framework added with Mobile edition
OracleDataTable component greatly enhanced with OracleObject and Arrays advanced data binding and update capabilities
New functionality added to OracleScript component
Oracle warning support added to OracleConnection.InfoMessage event
Interface enhanced for OraclePackage component
Publisher policy file added for versions compatibility
Support for Microsoft Visual Studio 2005 Beta 2 added

Design-time tools are completely revised, extended and called OraDeveloper Tools (Professional edition only):

Visual editors for Oracle schema objects added
Query Builder tool rewritten and improved
SQL editor tool improved
Execution plan visualization tool added
Ability to drag connections, tables and stored procedures from DbExplorer to Form Designer added
Component designers more tightly integrated with OraDeveloper Tools

06-Jan-05 New features in OraDirect .NET 2.50

Support for .NET Framework 2.0 added
Support for Microsoft Visual Studio .NET 2005 Beta 1
Support ADO.NET 2 features including:
Support for metadata schemas added
The Base-Class-Based provider model used
Connection pooling enhancements functionality added, that allows you to programmatically "drain" the connection pool
New OracleConnectionStringBuilder component to build connection strings to represent data sources
Support for Borland Delphi 2005
Documentation enriched

21-Jul-04 New features in OraDirect .NET 2.40

Performance increased
New component OracleDataTable added
New methods for asynchronous working added
Support for paginal access to query result added
Support for multiple ExecuteReader added
Retrieve ROWID to dataset 'ROWID' column added
Parameter editor extended for Array and Tables datatypes
Datatype conversions ability extended for OracleParameter.Value

30-Apr-04 New features in OraDirect .NET 2.30

Oracle 10g support
Multiple home environment
XMLType support
Supports BINARY_FLOAT and BINARY_DOUBLE types
Oracle 10g Instant Client support
Dynamic fetch size feature added
Statement caching (Oracle 10g only)
Transparent Application Failover (TAF) support
Overloaded stored procedures
RECORD data type as parameters type
Schema table for REF cursor's and nested tables
Working with VARRAY and TABLE data types as native .NET array types
OracleDataReader.HasRows property added
OracleCommand.GetRowId method for native Oracle ROWID
OracleCommand.Cancel method supported
OracleError and OracleErrorCollection for Array Binding errors
OraclePermission class and attribute added

11-Feb-04 New features in OraDirect .NET 2.01

Support for Borland Delphi 8 and Borland C#Builder 1.0 added

02-Oct-03 New features in OraDirect .NET 2.00

Fully rewritten 100% managed code
Available Standard and Professional editions
Support for Oracle 9i types such as TIMESTAMP, INTERVAL
Support for Oracle object types: OBJECT, VARRAY, TABLE, and REF
Native classes and structures to represent Oracle types
Connection pooling support
Unicode support added
Array binding feature support
PL/SQL tables support
Fill DataSet with several REF CURSOR
OS authentication enabled
DBA privileges to open a session with
Controlling automatic commit data for the connection
Enables changing expired password
Transaction savepoints support added
Optimization fetching data with OracleCommand.FetchSize property
Getting offset of the error in SQL statement
OraDirect .NET help integrated into Visual Studio .NET
XML documentation for code completion added
Migration wizard from MS OracleClient and ODP.NET
Typed Oracle package wizard
New sample applications added

24-Jun-03 New features in OraDirect .NET 1.55

Visual Studio .NET 2003 support added
Property editors for OracleCommandBuilder.KeyFields and OracleCommandBuilder.UpdatingTable added.

11-Feb-03 New features in OraDirect .NET 1.50

New component OracleScript added. Servers to execute series of SQL statements separated by special symbols, like SQL*Plus scripts.
New component OracleLoader added. Serves to load external data into the Oracle database. Uses direct path load interface to speed up loading.
New component OracleMonitor added. Allows to monitor dynamic SQL execution in applications that use OraDirect .NET. Extended monitoring capabilities are provided with DBMonitor application.
New component OraclePackage added. Provides access to packages stored in Oracle database.
OracleConnection.Home property added to support Oracle Homes
OracleConnection.Error event added
OracleConnection.GetServerList() static method added
Performance greatly increased
Designer form for OracleDataAdapter component setup added
OracleCommand component designer functionality extended
Typed dataset generation mechanism enabled for OracleDataAdapter
Automatic component registration (in toolbox) mechanism added
OraDesigner, OraExplorer, OraBuilder and OraDebugger are now embedded into OraDirect .NET
BlobPictures, Loader, Pictures, StoredProc samples added
Visual Basic .NET samples added

17-Jul-02 New features in OraDirect .NET 1.20

ASP.NET sample project
MasterDetail sample project
UnloadedAppDomain bug fixed
Special characters in connect string bug fixed
Statement handle not executed bug fixed (1212)

13-Jun-02 New features in OraDirect .NET 1.12

SchemaInfo bug fixed (1230)
OracleConnection [@name.globalname] connection string bug fixed (1322)
OracleCommand.CommandText property editor added
Design-time bug with sp describe fixed (1134)
References to extensibility and envdte removed from OracleDesign (1152)
Design-time execution bug with not caught exception fixed (1123)
WaitCursor for design-time describe added (1208)
OraTools version added to About form (1231)

15-May-02 New features in OraDirect .NET 1.10

DataSet sample project
DataReader sample project
Table sample project
"Designer..." verb added to OracleConnection ComponentDesigner
Add-in bug with help menu fixed

09-Apr-02 First release of OraDirect .NET 1.00