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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Summary

Curious day, today. If you've skipped over all the sections that discuss technologies that aren't appropriate to you, you might still be feeling pretty fresh. On the other hand, if you've been trying to wrap your head around all these new and peculiar concepts, you could be completely worn out.

Anyway, today you've learned that EJB containers support container-managed transaction demarcation, but that your Session beans can take control using bean-managed transaction demarcation if needed. Behind the scenes, there are some complex goings on with the XA interfaces to support distributed transactions, using 2PC and XA-aware data store connections, such as javax.sql.XADataSource.

JDBC is the de-facto way for implementing persistence of Java ...

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