SQL

apps/appsdt3@osivise
select * from emp;
select *from emp where job="Clerk";

select deptno, (sal*110/100) from emp where deptno=10
/
EPTNO (SAL*110/100)
----- ------------10
5500
10
2750
10
7150
10
5995
10
4730
select deptno,sum(sal) from emp group by deptno
/
EPTNO SUM(SAL)
----- ---------30
27400
20
19100
10
23750
select deptno,sum(sal) from emp group by deptno
/
DEPTNO SUM(SAL)
------ ---------30
27400
20
19100
10
23750
select deptno,count(*) from emp group by deptno
/
DEPTNO COUNT(*)
------ ---------30
6
20
4
10
5
select * from emp where deptno=10;
EMPNO ENAME
JOB
MGR
LAST_UPDA LAST_UPDATE_LO
----- ---------- --------- ------------------ ---7840 RING
MANAGER
7839
15-DEC-12
7256042
7369 SMITH
CLERK
7698
7839 KING
PRESIDENT

HIREDATE

SAL

COMM

DEPTNO

--------- ---------- ---------- ---------12-DEC-12

5000

2500

10

17-NOV-81

2500
6500

2500

10
10

7782 CLARK
MANAGER
7934 MILLER
CLERK
select distinct job from emp

7839 09-JUN-81
7782 23-JAN-82

5450
4300

130

10
10