Developing EJB 2.x enterprise beans

Subtopics

• Partial column update feature for container managed persistence
  The Container Managed Persistence (CMP) bean method ejbStore stored all of the persistent attributes of the CMP bean to the database, even if only a subset of persistent attribute fields were changed. This needless performance degradation is eliminated in this release of the product.

• Set partial update for container-managed persistent beans
  For EJB 2.x CMP entity beans, we can use the partial update feature to specify how to update the persistent attributes of the CMP bean to the database. This feature is provided as a bean-level persistence option, called PartialOperation, in the access intent policy configured for the bean.