QL Query Language 查询语言
The query language is based on the syntax of the object-oriented EJB QL that has been adapted to the object types found in the repository.
该查询语言基于面向对象的EJB QL的语法，此语法经过了改编以适应存储库中找到的对象类型。
JPA has a very rich query language you can use, called EJB-QL.
JPA有非常丰富的查询语言可供您使用，即ejb - QL。
One interesting example is called Hive, which is a data warehouse infrastructure with its own query language (called Hive QL).
一个有趣的示例称为Hive，它是一个具有自己特定查询语言(称为Hive QL)的数据仓库基础结构。
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