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Carol McDonald: Locking and Concurrency in Java Persistence 2.0

Carol McDonald has published a new Enterprise Tech Tip, Locking and Concurrency in Java Persistence 2.0:

The Java Persistence API (informally referred to as JPA) provides a plain old Java object (POJO)-based persistence model for Java EE and Java SE applications. It handles the details of how relational data is mapped to Java objects, and it standardizes Object/Relational (O/R) mapping. The latest update to JPA, Java Persistence 2.0, adds a number of new features such as additional O/R mapping functionality and new query language capabilities. Another area that has been enhanced in JPA 2.0 is locking and concurrency...

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