ODBC Driver for NetSuite

Connecting to NetSuite Using Oracle Database Link and ODBC Driver

Configuring Oracle Database Gateway for ODBC

This article explains how to configure Oracle Database Gateway for ODBC. If your data is stored in non-Oracle database systems or cloud applications, and you need to access it from an Oracle environment, you can create a database link to an Oracle Database Gateway for ODBC. The gateway works with an ODBC driver to access non-Oracle systems or other Oracle servers. Any ODBC-compatible data source can be accessed using the gateway and the appropriate ODBC driver. The driver must be installed on the same machine as the gateway. The non-Oracle system can run on the same machine as the Oracle database or on a different machine. The gateway can be installed on the machine running the non-Oracle system, the machine running the Oracle database or on a third machine as a standalone.

Configure the Initialization File

After installing the gateway and the ODBC driver for NetSuite, create an initialization file for your Oracle Database Gateway for ODBC. The sample file initdg4odbc.ora is stored in the ORACLE_HOME\hs\admin directory. To create an initialization file for the gateway, copy the sample initialization file and rename it. The name must be prefixed with init — for example, initNetSuite.ora. You need a separate initialization file for each ODBC data source. After creating the file, set the HS_FDS_CONNECT_INFO parameter to the system DSN that you created earlier, for example:

HS_FDS_CONNECT_INFO=NetSuite

Configure Oracle Net Listener

After configuring the gateway, you need to configure Oracle Net Listener to communicate with the Oracle database. Information about the gateway must be added to the listener.ora configuration file which is located in the ORACLE_HOME\NETWORK\ADMIN\ directory. The following example is the address on which the Oracle Net Listener listens (HOST is the address of the machine on which the gateway is installed):

LISTENER =
    (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
        )
    )

Add an entry to the listener.ora file to start the gateway in response to connection requests. The SID of the gateway (SID_NAME) must be the same in listener.ora and tnsnames.ora. ORACLE_HOME is the Oracle home directory where the gateway resides. To apply the new settings, stop and restart the Oracle Net Listener service.

SID_LIST_LISTENER=
   (SID_LIST=
      (SID_DESC= 
         (SID_NAME=NetSuite)
         (ORACLE_HOME=D:\ORACLE_HOME)
         (PROGRAM=dg4odbc)
      )
   )

Configure Oracle for Gateway Access

Add a connect descriptor for the gateway to the tnsnames.ora file, which is located in ORACLE_HOME\NETWORK\ADMIN directory. The SID must match the value specified in the listener.ora file.

NetSuite =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = tcp)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SID = NetSuite)
    )
    (HS = OK)
  )

Create Database Links

To access an ODBC data source, you must create a database link using a database tool, for example, SQL Developer. Connect to your database server in SQL Developer and execute the CREATE DATABASE LINK statement, as follows:

CREATE DATABASE LINK dblink CONNECT TO "username"  IDENTIFIED BY "password"  USING 'tns_name_entry';

dblink is the complete database link name. tns_name_entry is the Oracle Net connect descriptor specified in the tnsnames.ora file.

After creating the database link, refresh and expand the connection in the left pane of SQL Developer. You should see the newly created link in Database Links. You can run a query against the ODBC data source using the syntax:

SELECT * FROM table_name@"dblink_name"

See also

Configuring Oracle Database Gateway for ODBC
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