Used to specify the constraint name that constitutes object type descriptor used to retrieve metadata information from the server.
property ConstraintName: string;
Use the ConstraintName property to specify the constraint name which together with table, schema and database names constitutes object type descriptor that is used to retrieve metadata information from the server.
Refer to the ObjectType property to get the complete listing of all object types to which this property is applicable. In all other cases this property is merely ignored.