一道ACCESS操作题,急急急
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发布时间:2022-04-12 15:11
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时间:2022-04-12 16:40
1 alter table T add constraint T_PK primary key (TNO);
2 delete * from SC where SNO='m038';
3 select s.SNO,s.SNAME,c.CNAME,sc.GRADE into Q1 FROM S s,C c,SC sc where sc.SNO = s.SNO and sc.CNO = c.CNO and sc.GRADE >= 85;
4 select DEPART,SEX,COUNT(*) into Q2 FROM T group by DEPART,SEX;
5 略追问
追答..............那你做个啥