Table of Contents
11. Get length of FIRST_NAME from employee table?
SELECT LENGTH (FIRST_NAME) FROM EMPLOYEE;
12. Get First_Name from employee table after replacing ‘o’ with ‘$’?
SELECT FIRST_NAME, REPLACE (FIRST_NAME,'o','$') FROM EMPLOYEE;
13. Get First_Name and Last_Name as single column from employee table separated by a ‘_’?
SELECT FIRST_NAME|| '_' ||LAST_NAME FROM EMPLOYEE;
14. Get FIRST_NAME, Joining year, Joining Month and Joining Date from employee table?
SELECT FIRST_NAME, TO_CHAR(JOINING_DATE,'YYYY') JOINYEAR , TO_CHAR(JOINING_DATE,'MON'), TO_CHAR(JOINING_DATE,'DD') FROM EMPLOYEE;
SQL Order By
15. Get all employee details from the employee table?
SELECT * FROM EMPLOYEE;
16. Get First_Name, Last_Name from employee table?
SELECT FIRST_NAME, LAST_NAME FROM EMPLOYEE ;
17. Get First_Name from employee table using alias name “Employee Name” ?
SELECT FIRST_NAME “EMPLOYEE NAME” FROM EMPLOYEE;
18. Get First_Name from employee table in upper case?
SELECT UPPER (FIRST_NAME) FROM EMPLOYEE;
19. Get FIRST_NAME from employee table in lower case?
SELECT LOWER (FIRST_NAME) FROM EMPLOYEE;
20. Get unique DEPARTMENT from employee table?
SELECT DISTINCT DEPARTMENT FROM EMPLOYEE;
