adding a column to a table in qlikview.

i have an existing table (employee) which has two fields empID and role. i need to add another column to the table. how can i do that in qlikview.

 

EmpID       Role 

1                 manager

2                  dev

3                   qa

 

 

i want to add (Salary) field to the table and insert values to it. how can i do it. Thanks in advance.

 

Salary

100

50

45