Summary
Today you began your study of the second type of EJBs, namely, entity beans. You started the day with a brief look at entity bean concepts, the life cycle of an entity bean, and a flowchart to develop an entity bean. After this you delved deep into today's primary focus area, CMP.
In CMP, you covered the concepts behind CMP. More importantly, you discovered the way one-to-one, one-to-many, and many-to-many relationships are handled in the new CMP model using CMR fields. You then looked at the newly added EJB Query Language (EJB QL), which is a simple standard language for writing queries for finder methods that need to query the database. After this, you looked at the extension to the EJB QL query language provided by WebLogic Server ...
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