The J2EE Connector architecture uses resource adapters to enable the integration of Enterprise Information Systems with appservers.
Container-managed persistence lets administrators redeploy entity beans without requiring the recompilation of the entity bean class.
The Bean Provider defines the backend database relationship using the abstract persistence schema. The Persistence Manager persists fields and relationships to the underlying persistent store.
JDBC providers use resource adapters designed to work with their particular JDBC data sources.
IBM WAS supports enterprise beans, including the EJBs 2.0 specification.
You can use access intent policies to manage interactions between CMP beans and their underlying data stores by setting data access characteristics such as access type (read or update) and transaction isolation.