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Bean-Managed Persistence and Container-Managed Persistence—A Comparison

Implementing BMP is the responsibility of the bean provider. The container provider provides the database persistence functionality for entity beans in CMP.

The bean provider has to define the SQL queries for only the finder methods and business methods of the entity bean. Tools provided by the container provider aid the bean provider in implementing the actual database functionality for container-managed persistence in entity beans, thus making CMP a lot simpler and easier to use. On the other hand, in BMP the bean provider has a lot more tasks to perform, such as writing the SQL queries as well as the JDBC code in the entity bean to access the database. This makes using ...