March 2002
Intermediate to advanced
464 pages
8h 51m
English
book
Enterprise JavaBeans™ Component Architecture: Designing and Coding Enterprise Applications
by Gail Anderson, Paul Anderson
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7.1. Introducing Container-Managed Persistence
Previous to the EJB 2.0 specification, a bean developer could only use container-managed persistence with isolated entity beans—that is, beans with no relationship fields (foreign keys) to other entity beans. This restriction made CMP possible for simple entity beans only and prevented CMP use with real-world, enterprise applications.
That all changed with the EJB 2.0 specification. With the addition of local interfaces, bean developers can now specify entity bean relationships and build enterprise systems with data that models real-world requirements more effectively. As we explore the properties of entity beans with container-managed persistence, keep in mind that CMP and BMP entity beans still ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.