It provides an SQL-inspired set of classes to formulate queries, as well as a rich condition class hierarchy.

它提供了一种SQL- inspired系列的类，以组织查询，以及类的层级结构。

youdao

It provides an SQL-inspired set of classes to formulate queries, as well as a rich condition class hierarchy.

它提供了一种SQL- inspired系列的类，以组织查询，以及类的层级结构。

youdao