Query List
21. Query to display Name, Department Name and Department No for all the employees.
Query:
Select EMPLOYEE.Ename, DEPARTMENT.Dname, EMPLOYEE.Dno from EMPLOYEE inner join DEPARTMENT on EMPLOYEE.Dno=DEPARTMENT.Dno;
OR
Select e.Ename, d.Dname, e.Dno from EMPLOYEE e inner join DEPARTMENT d on e.Dno = d.Dno;
Output:
22. Query to display Unique Listing of all Jobs that are in Department # 301.
Query:
Select DISTINCT Job_type from EMPLOYEE where Dno=301;
Output:
23. Query to display Name, Dept Name of all employees who have an ‘A’ in their name.
Query:
Select EMPLOYEE.Ename, DEPARTMENT.Dname from EMPLOYEE inner join DEPARTMENT on EMPLOYEE.Dno = DEPARTMENT.Dno where Ename like '%a%';
Output
24. Query to display Name, Job, Department No. And Department Name for all the employees working at the New Delhi location.
Query:
Select EMPLOYEE.Ename, EMPLOYEE.Job_type, EMPLOYEE.Dno, DEPARTMENT.Dname from EMPLOYEE inner join DEPARTMENT on EMPLOYEE.Dno = DEPARTMENT.Dno where Location='New Delhi';
Output:
25. Query to display name and Employee no. along with their Manager’s Name and the Manager’s employee no.; Along with the Employee’s name who do not have a Manager.
Query:
SELECT e.Ename, e.Eno, d.Ename, d.Eno FROM Employee e LEFT OUTER JOIN Employee d ON e.Eno = d.Manager;
Output: