REVOKE
  
   This statement revokes system or object privileges and roles from users and roles.
  
  
   To support REVOKE processing, the IP GETSUPPORT operation must return TRUE for IP_SUPPORT_REVOKE.
  
  Syntax 
  
   REVOKE {object_priv | ALL [PRIVILEGES],...} ON {[qualifier.][owner.]object}
  
  
   FROM {user | role | PUBLIC,...}
  
  Examples
  
   The following statement revokes the DROP ANY TABLE system privilege from the users BILL and MARY:
  
  
   REVOKE DROP ANY TABLE FROM BILL, MARY;
  
  
   The following statement revokes the role CONTROLLER from the user HANSON:
  
  
   REVOKE controller FROM HANSON;