SQL笔试

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;

---

答案：

1、

2、

3、

4、

5、

6、

7、

8、

9、