COMMIT - commit the current transaction
COMMIT [ WORK | TRANSACTION ]
commits the current transaction. All changes made by the
transaction become visible to others and are guaranteed to be durable if a
Optional key words. They have no effect.
(7) to abort a transaction.
when not inside a transaction does no harm, but it will
provoke a warning message.
To commit the current transaction and make all changes permanent:
The SQL standard only specifies the two forms COMMIT and COMMIT WORK. Otherwise,
this command is fully conforming.