SQL笔试
2024-10-07 13:14:22
一、题目
二、练习数据
SELECT VERSION(); create table CDM_AGENT(ano VARCHAR(6),aname VARCHAR(8)); create table CDM_DEAL(sno VARCHAR(6),pno VARCHAR(6), volume VARCHAR(6)); create table CDM_PRODUCTION(pno VARCHAR(6),pname VARCHAR(6), pdate date); create table CDM_SALAS(sno VARCHAR(6),sname VARCHAR(6), ano VARCHAR(6)); insert into CDM_AGENT (ano, aname)values ('1', 'AAA公司'); insert into CDM_AGENT (ano, aname)values ('2', 'BBB公司'); insert into CDM_AGENT (ano, aname)values ('3', 'CCC公司'); commit; insert into CDM_DEAL (sno, pno, volume)values ('1', '1', '21'); insert into CDM_DEAL (sno, pno, volume)values ('1', '2', '56'); insert into CDM_DEAL (sno, pno, volume)values ('1', '3', '33'); insert into CDM_DEAL (sno, pno, volume)values ('2', '2', '120'); insert into CDM_DEAL (sno, pno, volume)values ('2', '1', '32'); insert into CDM_DEAL (sno, pno, volume)values ('2', '3', '26'); insert into CDM_DEAL (sno, pno, volume)values ('3', '1', '73'); insert into CDM_DEAL (sno, pno, volume)values ('3', '3', '45'); insert into CDM_DEAL (sno, pno, volume)values ('4', '2', '111'); insert into CDM_DEAL (sno, pno, volume)values ('4', '3', '84'); insert into CDM_DEAL (sno, pno, volume)values ('5', '3', '52'); insert into CDM_DEAL (sno, pno, volume)values ('5', '1', '38'); insert into CDM_DEAL (sno, pno, volume)values ('5', '2', '91'); insert into CDM_DEAL (sno, pno, volume)values ('6', '2', '36'); insert into CDM_DEAL (sno, pno, volume)values ('6', '3', '48'); insert into CDM_DEAL (sno, pno, volume)values ('6', '1', '15'); commit; insert into CDM_PRODUCTION (pno, pname, pdate)values ('1', '产品A', str_to_date('2015/06/07', '%Y/%m/%d')); insert into CDM_PRODUCTION (pno, pname, pdate)values ('2', '产品B', str_to_date('2016/06/07', '%Y/%m/%d')); insert into CDM_PRODUCTION (pno, pname, pdate)values ('3', '产品C', str_to_date('2017/06/07', '%Y/%m/%d')); commit; insert into CDM_SALAS (sno, sname, ano)values ('1', '小赵', '2'); insert into CDM_SALAS (sno, sname, ano)values ('2', '小钱', '2'); insert into CDM_SALAS (sno, sname, ano)values ('3', '小孙', '3'); insert into CDM_SALAS (sno, sname, ano)values ('4', '小李', '1'); insert into CDM_SALAS (sno, sname, ano)values ('5', '小石', '3'); insert into CDM_SALAS (sno, sname, ano)values ('6', '小刘', '1'); commit;
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