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Example: -Show the employees whose job title is the similar as that of employee 7566 and salary is extra than the salary of employee 7788.
Let consider the given partial relation EMP. Let us make some sub-queries for them
EMPNO
ENAME
JOB
SAL
DEPTNO
7566
Nirmal
MANAGER
2975
10
7788
Kailash
ANALYST
3000
7839
Karuna
PRESIDENT
5000
20
7902
Ashwin
7905
Ashwini
4000
SELECT ENAME, JOB
FROM EMP
WHERE JOB = (SELECT JOB
WHERE EMPPNO = 7566)
AND SAL > (SELECT SAL
WHERE EMPPNO=7788);
Output: Job title for the employee 7566 occurs to be 'MANAGER')
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