COMMIT — commit the current transaction
COMMIT [ WORK | TRANSACTION ] [ AND [ NO ] CHAIN ]
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.
Optional key words. They have no effect.
AND CHAIN is specified, a new transaction is immediately started with the same transaction characteristics (see SET TRANSACTION) as the just finished one. Otherwise, no new transaction is started.
Use ROLLBACK to abort a transaction.
COMMIT when not inside a transaction does no harm, but it will provoke a warning message.
COMMIT AND CHAIN when not inside a transaction is an error.
To commit the current transaction and make all changes permanent:
COMMIT conforms to the SQL standard. The form
COMMIT TRANSACTION is a PostgreSQL extension.
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