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What Are Some Of The Main Features Of The Java Persistence Api? |
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Answer» The Java Persistence API is a POJO persistence API for object/relational mapping. It contains a FULL object/relational mapping specification SUPPORTING the use of Java language metadata annotations and/or XML descriptors to define the mapping between Java objects and a relational DATABASE. It supports a rich, SQL-like query language (which is a significant extension upon EJB QL) for both static and dynamic queries. It ALSO supports the use of pluggable persistence PROVIDERS. The Java Persistence API is a POJO persistence API for object/relational mapping. It contains a full object/relational mapping specification supporting the use of Java language metadata annotations and/or XML descriptors to define the mapping between Java objects and a relational database. It supports a rich, SQL-like query language (which is a significant extension upon EJB QL) for both static and dynamic queries. It also supports the use of pluggable persistence providers. |
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