Step 1 : Log into N99panel. From under N99panel dashboard, click 'MySQL'
Step 2 : From under MySQL section, click 'MySQL Pairs'
Step 3 : Then click on 'Map a new MySQl DB and User'
Step 4 : Fill in the form as under, and click 'Submit'
By following the above steps you would have a working MySQL DB and a MySQL User pair