SQL语句: SELECT*FROM仓库表WHERE NOT EXISTS (SELECT*FROM职工表WHERE仓库号=仓库.仓库号)该语句等价于: SELECT*FROM仓库表WHERE仓库号___________ (SELECT仓库号FROM职工表

admin2012-12-03  22

问题 SQL语句:
SELECT*FROM仓库表WHERE NOT EXISTS
(SELECT*FROM职工表WHERE仓库号=仓库.仓库号)该语句等价于:
SELECT*FROM仓库表WHERE仓库号___________
(SELECT仓库号FROM职工表)

选项

答案NOT IN

解析
转载请注明原文地址:https://kaotiyun.com/show/Nmsp777K
0

随机试题
最新回复(0)