Task: Text to Code
Input (English): Step 1: find the professional_id, role_code, email_address of Professionals table.
Step 2: find the professional_id, role_code, email_address of Professionals table.
Step 3: show the rows that are in the results of step 1 but not in the results of step 2
Output (English): SELECT professional_id , role_code , email_address FROM Professionals EXCEPT SELECT professional_id , role_code , email_address FROM Professionals