Controlling Transactions
A transaction is a user-defined sequence of database operations, which form an integral unit of work.
Starting Transactions
GaussDB(DWS) starts a transaction using START TRANSACTION and BEGIN. For details, see START TRANSACTION and BEGIN.
Setting Transactions
GaussDB(DWS) sets a transaction using SET TRANSACTION or SET LOCAL TRANSACTION. For details, see SET TRANSACTION.
Submitting Transactions
GaussDB(DWS) commits all operations of a transaction using COMMIT or END. For details, see COMMIT | END.
Rolling Back Transactions
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. For details, see ROLLBACK.
If an execution request (not in a transaction block) received in the database contains multiple statements, the statements will be packed into a transaction. If one of the statements fails, the entire request will be rolled back.
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