union query

常见例句

双语例句

• Consider another union query with two legs.
  考虑含有两个分支的另一个联合查询。
• For example, consider a federated union query across three sources.
  例如，考虑一个跨三个数据源的联邦联合查询。
• Therefore, when you are working with a UNION query, Query Designer hides the Table Operations pane.
  因此，当使用 UNION 查询时，查询设计器将隐藏“表操作”窗格。
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