5--Basic usage of Hibernate--1 3 Introduction to the popular ORM framework

⊙JPA:JPA itself is an ORM specification, not an ORM product. It is the result of Java EE spec makers learning from the open source world. JPA entities are very similar to Hibernate po, and even JPA entities can be used entirely as Hibernate PO classes, so many places also refer to Hibernate PO as an entity. Compared to other open-source ORM frameworks, the biggest advantage of JPA is its official standard, so it is universal, and if the application is programming for JPA, then the application can switch freely between the various ORM frameworks: Hibernate, TopLink, OPENJPA, etc.

⊙hibernate:

⊙mybatis: The early name is Ibatis. The "SQL Mapping" framework.

⊙toplink:

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5--Basic usage of Hibernate--1 3 Introduction to the popular ORM framework