SQL Queries ask in Interviews Part 3

31) Display the maximum salary being paid to CLERK.
SQL>select max(sal) from emp where job=’CLERK’;

32) Display the maximum salary being paid to depart number 20.
SQL>select max(sal) from emp where deptno=20;

33) Display the minimum salary being paid to any SALESMAN.
SQL>select min(sal) from emp where job=’SALESMAN’;

34) Display the average salary drawn by MANAGERS.
SQL>select avg(sal) from emp where job=’MANAGER’;

35) Display the total salary drawn by ANALYST working in depart number 40.
SQL>select sum(sal) from emp where job=’ANALYST’ and deptno=40;

36) Display the names of the employee in order of salary i.e the name of the employee earning lowest salary    should salary appear first.
SQL>select ename from emp order by sal;

37) Display the names of the employee in descending order of salary.
SQL>select ename from emp order by sal desc;

38) Display the names of the employee in order of employee name.
SQL>select ename from emp order by ename;

39) Display empno,ename,deptno,sal sort the output first base on name and within name by deptno and with in deptno by sal.
SQL>select empno,ename,deptno,sal from emp order by;

40) Display the name of the employee along with their annual salary(sal*12).The name of the employee earning highest annual salary should apper first.
SQL>select ename,sal*12 from emp order by sal desc;

41) Display name,salary,hra,pf,da,total salary for each employee. The output should be in the order of total salary,hra 15% of salary,da 10% of salary,pf 5% salary,total salary will be(salary+hra+da)-pf.
SQL>select ename,sal,sal/100*15 as hra,sal/100*5 as pf,sal/100*10 as da, sal+sal/100*15+sal/100*10-sal/100*5 as total from emp;

42) Display depart numbers and total number of employees working in each department.
SQL>select deptno,count(deptno)from emp group by deptno;

43) Display the various jobs and total number of employees within each job group.
SQL>select job,count(job)from emp group by job;

44) Display the depart numbers and total salary for each department.
SQL>select deptno,sum(sal) from emp group by deptno;

45) Display the depart numbers and max salary for each department.
SQL>select deptno,max(sal) from emp group by deptno;

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