1. A method comprising: determining, by a computer system, whether a SQL statement can be executed in parallel; determining, by the computer system, whether executing the SQL statement in parallel is faster by a predetermined factor than executing the SQL statement in serial; and if the SQL statement can be executed in parallel and if executing the SQL statement in parallel is faster by the predetermined factor than executing the SQL statement in serial, providing, by the computer system to a user, a recommendation indicating that the SQL statement should be executed in parallel.