To illustrate hybrid relational and XML queries as well as joins, we also have a pure relational table unit which lists the name, manager, and so on, for each unit.

为阐明混合关系型查询、XML 查询和连接，我们还提供了一个纯粹的关系型表 ——unit，其中列出了各单位的名称、主管等信息。

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To illustrate hybrid relational and XML queries as well as joins, we also have a pure relational table unit which lists the name, manager, and so on, for each unit.

为阐明混合关系型查询、XML 查询和连接，我们还提供了一个纯粹的关系型表 ——unit，其中列出了各单位的名称、主管等信息。

youdao