题目内容

查询所有目前年龄在35岁以上(不含35岁)的职工信息(姓名、性别和年龄),正确的命令是

A. SELECT 姓名,性别,YEAR(DATE())-YEAR(出生日期)AS年龄FROM职工; WHERE年龄>35
B. SELECT 姓名,性别,YEAR(DATE())-YEAR(出生日期)AS年龄FROM 职工; WHERE YEAR(出生日期)>35
C. SELECT姓名,性别,YEAR(DATE())-YEAR(出生日期)AS年龄FROM 职工; WHEREYEAR(DATE())-YEAR(出生日期)>35
D. SELECT姓名,性别,年龄:YEAR(DATE())-YEAR(出生日期)FROM 职工; WHERE YEAR(DATE())-YEAR(出生日期)>35

查看答案
更多问题

查询有10名以上(含10名)职工的部门信息(部门名和职工人数),并按职工人数降序排序。正确的命令是

A. SELECT部门名,COUNT(职工号)AS职工人数; FROM部门,职工WHERE部门.部门号=职工.部门号; GROUP BY部门名HAVING COUNT(*)>=10; ORDER BY COUNT(职工号)ASC
B. SELECT部门名,COUNT(职工号)AS职工人数; FROM部门,职工WHERE部门.部门号=职工.部门号; GROUP BY部门名HAVING COUNT(*)>=10; ORDER BY COUNT(职工号)DESC
C. SELECT部门名,COUNT(职工号)AS职工人数; FROM 部门,职工WHERE部门.部门号=职工.部门号; GROUP BY 部门名HAVING COUNT(*)>=10; ORDER BY 职工人数ASC
D. SELECT部门名,COUNT(职工号)AS职工人数; FROM部门,职工WHERE部门.部门号=职工.部门号; GROUP BY部门名 HAVING COUNT(*)>=10; ORDER BY职工人数 DESC

【B18】

A. official
B. owner
C. servant
D. master

A.What's moreB.What's newC.What's worseD.What's surprise

A. What's more
B. What's new
C. What's worse
D. What's surprise

A.For allB.All forC.All ofD.After all

A. For all
B. All for
C. All of
D. After all

答案查题题库