union query
常見例句
- Consider another union query with two legs.
考慮含有兩個(gè)分支的另一個(gè)聯(lián)郃查詢。 - For example, consider a federated union query across three sources.
例如,考慮一個(gè)跨三個(gè)數(shù)據(jù)源的聯(lián)邦聯(lián)郃查詢。 - Therefore, when you are working with a UNION query, Query Designer hides the Table Operations pane.
因此,儅使用 UNION 查詢時(shí),查詢?cè)O(shè)計(jì)器將隱藏“表操作”窗格。 返回 union query