Commits the current transaction.
COMMIT [WORK | TRANSACTION]
COMMIT commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a crash occurs.
Use ROLLBACK to abort a transaction.
COMMIT 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 WORK. Otherwise, this command is fully conforming.