union query
常见例句
- 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。 返回 union query