Write a SQL query to display the names of all the employee whose slary is either less than 13000 or don’t have any salary from the following tables --

              Employee table                                                        Salary table

                                                 

EmployeeID	EmployeeName
1	Vinit
2	Deepak
3	Ram
4	Sudeep
5	Ajay

EmployeeID	EmployeeSalary
1	10000
2	12000
3	15000
4

                                                                                                                                                                 

Select EmployeeName, Salary  from Employee

left outer  join Salary on Employee.EmployeeID=Salary.EmployeeID

where isnull(salary,0) <13000