因此，如果查询筛选字段是这种类型中的一个，而相关的表格很大，那么查询的速度会非常慢。

Therefore, if a query filter field is one of these types, and the associated table is large, the query can be very slow.

youdao

这跟在SQL查询中加入表格很相似，方法就是选择其数据应为查询结果一部分的表格。

It's almost like joining tables in an SQL query, by selecting tables whose data should be part of the results of the query.

youdao

最后，本文将向您展示如何对存储在DB 2中的XML表格数据进行查询。

Finally, the article shows you how to query against the XML form data that gets stored in DB2.

youdao