SQL Operator 1

Which of the following is not arithmetic operator ?

Null is a blank space .

Select * from emp where job='CLERK' or job='MGR' ; This query will return

Which of the following is not a set operator ?

How to select record from Emp  where 'Emp_Name' start with 'R'  ?

SELECT * FROM emp WHERE ename NOT LIKE 'A%'

This query will fetch which of following record ?

Which of the following  are not set operators ?

Which of the following is wrong ?

Which of  the following is correct to  Select all  employees from EMP where 'job' contains ‘ADM_’?

 Which of  the following is correct to selects all Employees with a Employees NOT starting with "A", "S", or "F"?