创建一个表记员工个人信息：
--创建一个表
create table plspl_company_info( empno number(5) not null, ename varchar2(10) not null, job varchar2(10), manager number(5), hiredate date, sal number(5), comm number(5), deptno number(3) ); insert into plspl_company_info values (7369, 'SMITH', 'CLERK', 7902, date '1980-12-17', 800, NULL, 10); insert into plspl_company_info values (7293, 'ALLEN', 'SALESMAN', 7689, date '1981-03-27', 1867, NULL, 20); insert into plspl_company_info values (7562, 'JAMES', 'SALESMAN', 7689, date '1981-09-11', 1796, NULL, 20); insert into plspl_company_info values (7936, 'JONES', 'ANAYST', 7656, date '1980-09-01', 3250, NULL, 30); insert into plspl_company_info values (7688, 'WEST', 'MANAGER', 7839, date '1981-02-28', 2985, 900, 40); insert into plspl_company_info values (7499, 'PAUL', 'MANAGER', 7839, date '1980-03-26', 3600, NULL, 40); insert into plspl_company_info values (7778, 'FORD', 'CLERK', 7902, date '1987-04-17', 960, NULL, 10); insert into plspl_company_info values (7289, 'ADAMS', 'SALESMAN', 7689, date '1980-01-09', 1956, NULL, 20); insert into plspl_company_info values (7531, 'MATIN', 'SALESMAN', 7689, date '1980-05-14', 1906, NULL, 20); insert into plspl_company_info values (7916, 'KING', 'ANAYST', 7656, date '1982-06-04', 2864, NULL, 30); insert into plspl_company_info values (7365, 'BLKAE', 'CLERK', 7902, date '1981-09-11', 1200, 1100, 10); insert into plspl_company_info values (7784, 'CHRIS', 'CLERK', 7902, date '1981-07-16', 1376, NULL, 10); select * from plspl_company_info; |
执行结果：
SQL> Table created 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted 1 row inserted EMPNO ENAME JOB MANAGER HIREDATE SAL COMM DEPTNO ------ ---------- ---------- ------- ----------- ------ ------ ------ 7369 SMITH CLERK 7902 1980/12/17 800 10 7293 ALLEN SALESMAN 7689 1981/3/27 1867 20 7562 JAMES SALESMAN 7689 1981/9/11 1796 20 7936 JONES ANAYST 7656 1980/9/1 3250 30 7688 WEST MANAGER 7839 1981/2/28 2985 900 40 7499 PAUL MANAGER 7839 1980/3/26 3600 40 7778 FORD CLERK 7902 1987/4/17 960 10 7289 ADAMS SALESMAN 7689 1980/1/9 1956 20 7531 MATIN SALESMAN 7689 1980/5/14 1906 20 7916 KING ANAYST 7656 1982/6/4 2864 30 7365 BLKAE CLERK 7902 1981/9/11 1200 1100 10 7784 CHRIS CLERK 7902 1981/7/16 1376 10 12 rows selected SQL> |
习题：
1，选出部门30里的所有员工信息
select * from plspl_company_info where deptno = 30;
2，列出所有办事员(CLERK)的姓名，编号和部门编号
select ename, empno , deptno from plspl_company_info where job = 'CLERK';
3，找出薪金高于佣金60%的员工
select * from plspl_company_info where comm > sal*0.6 ;
4，找出部门10的所有经理（MANAGER）和部门20的所有办事员（CLERK）
select * from plspl_company_info where (deptno = 10 and job = 'MANAGER') or (deptno = 20 and job = 'CLERK') ;
5，找出部门10的所有经理（MANAGER）和部门20的所有办事员（CLERK），以及既不是经理有不是办事员，但薪金大于或等于2000的所有员工的详细资料
select *
from plspl_company_info
where (deptno = 10 and job = 'MANAGER') or (deptno = 20 and job = 'CLERK') or ((job not in('MANAGER', 'CLERK')) and sal >= 2000) ;
6，找出收取佣金的员工的不同工作
select distinct job from plspl_company_info where comm is not null ;
7，找出不收取佣金或者收取佣金低于100的员工
select * from plspl_company_info where (comm is null) or comm < 100 ;
8，显示不带“R”的员工姓名
select * from plspl_company_info where ename not like '%A%';
9，显示姓名字段的任何位置包含'A'的所有员工的姓名，显示结果按照基本工资由高到低；如果工资相同，则按照雇佣年限由早到晚排序；如果雇佣时间相同，则按照职位排序
select * from plspl_company_info where ename like '%A%' order by sal DESC, hiredate, job;
