题目
52. (1.5分) 在健康体检登记表 checklist(cname char(10), csex char(1), cage int, cno char(6), ctjrq date, cunit varchar(20), dno char(4))中,查询各单位参加体检的女职工人数在1000人以上的单位及人数的SQL语句为()A. SELECT cunit 单位, csex 性别, count(*) 人数数 FROM checklistgroup by cunit having count(*) >=1000 and csex='女'B. SELECT cunit 单位, csex 性别, count(*) 人数FROM checklist where csex='女'group by cunit having count(*) >=1000C. SELECT cunit 单位, csex 性别, count(*) 人数数 FROM checklistgroup by cunit, csex having count(*) >=1000 and csex='女'D. SELECT cunit 单位, csex 性别, count(*) 人数数 FROM checklistgroup by cunit having count(*) >=1000 where csex='女'
52. (1.5分) 在健康体检登记表 checklist(cname char(10), csex char(1), cage int, cno char(6), ctjrq date, cunit varchar(20), dno char(4))中,查询各单位参加体检的女职工人数在1000人以上的单位及人数的SQL语句为()
A. SELECT cunit 单位, csex 性别, count(*) 人数 数 FROM checklistgroup by cunit having count(*) >=1000 and csex='女'
B. SELECT cunit 单位, csex 性别, count(*) 人数 FROM checklist where csex='女' group by cunit having count(*) >=1000
C. SELECT cunit 单位, csex 性别, count(*) 人数 数 FROM checklistgroup by cunit, csex having count(*) >=1000 and csex='女'
D. SELECT cunit 单位, csex 性别, count(*) 人数 数 FROM checklistgroup by cunit having count(*) >=1000 where csex='女'
题目解答
答案
B. SELECT cunit 单位, csex 性别, count(*) 人数
FROM checklist where csex='女'
group by cunit having count(*) >=1000