Controlling Transactions
A transaction is a user-defined sequence of database operations, which form an integral unit of work.
Starting a Transaction
GaussDB starts a transaction using START TRANSACTION and BEGIN. For details, see START TRANSACTION and BEGIN.
Setting a Transaction
GaussDB sets a transaction using SET TRANSACTION or SET LOCAL TRANSACTION. For details, see SET TRANSACTION.
Committing a Transaction
GaussDB commits all operations of a transaction using COMMIT or END. For details, see COMMIT | END.
Rolling Back a Transaction
If a fault occurs during a transaction and the transaction cannot proceed, the system performs rollback to cancel all the completed database operations related to the transaction. See ROLLBACK.
If an execution request (not in a transaction block) received in the database contains multiple statements, the request is packed into a transaction. If one of the statements fails, the entire request will be rolled back.
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