Functionality

所有 JPA 组件都通过使用以下方式之一执行其各自的 JPA 操作：

All JPA components perform their respective JPA operations by using one of the following:

  • Entity classes

  • Java Persistence Query Language (JPQL) for update, select and delete (JPQL does not support inserts)

  • Native Query

  • Named Query

以下部分将更详细地描述每个组件。

The following sections describe each of these components in more detail.