You can use data access applications to manipulate data from outside sources for use within your application serving environment.
You can set WebSphere® Application Server client information on connections to pass that information to your database with this API.
The error detection model has been expanded and the data source has a configuration option that you can use to select the exception mapping model or the exception checking model for error detection. This configuration option allows the Error Detection Model to comply with Java Database Connectivity (JDBC) 4.0.
All enterprise bean container-managed persistence (CMP) beans under the Enterprise JavaBeans (EJB) 2.x specification receive a standard EJB exception when an operation fails. Java Database Connectivity (JDBC) applications receive a standard SQL exception if any JDBC operation fails. The product provides special exceptions for its relational resource adapter (RRA), to indicate that the connection currently held is no longer valid.