试题与答案

第(31)到(35)题见表3-1、表3-2: 表3-1“仓库”表 表3-2 “职

题型:单项选择题

题目:

第(31)到(35)题见表3-1、表3-2:
表3-1“仓库”表


表3-2 “职工”表

SQL语句SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资>=ALL; (SELECT 工资 FROM 职工 WHERE 仓库号=“WH3”)执行语句后,显示的查询到的仓库号有( )。

A.WH1

B.WH2

C.WH4

D.WH1、WH3

答案:

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