Defining a DRS Connector stage connection to the database

When a new DRS Connector stage is added to the server or parallel canvas, you must specify the connection information for the database that the stage connects to at run time.

About this task

When the job starts, the stage connects to the specified database by using the specified database credentials. As the job runs, the stage reads data rows from the database or writes data rows to it, depending on whether output or input links are defined for the stage, respectively.

Procedure

  1. Select the relevant database type from the Connector drop-down list.
  2. Select the relevant database client version. For example, if an Oracle database type is selected, and an Oracle 11g version is installed on the InfoSphere® DataStage® Server engine machine, the Variant value must be set to 11. If the Oracle 10g client is installed, the Variant value must be set to 10. Some database types have only one variant. If you specified job parameter for the database type property, then you can select the variant for all supported database types, because the actual selection of database type to use at runtime is done at a later point.
  3. Set the Connection string property value. This value identifies the specific database that you want to connect to. The database client environment needs to be set up properly to resolve this value and to connect to the corresponding database server.
  4. Set the Username property to the value that identifies the user name for authentication and authorization with the database.
  5. Set the Password property to the password value of the specified user name. The password is displayed and stored by the stage in encrypted form.
  6. Optional: You can set the environment variables by using the Administrator Client, to appear as default variant values for respective connector as follows: CC_DRSCONNECTOR_DEFAULT_CONNECTION_VARIANT_IBM__DB2VARIANT, for the Db2 connector, CC_DRSCONNECTOR_DEFAULT_CONNECTION_VARIANT_ORACLEVARIANT, for the Oracle connector, and CC_DRSCONNECTOR_DEFAULT_CONNECTION_VARIANT_ODBCVARIANT, for the ODBC connector.

    Make sure that all parameters are specified in capital letters.

    Note: These values are effective only when the connector stage editor is opened for the first time.