PostgreSQL
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ROLLBACK

Name

ROLLBACK — Aborts the current transaction 
ROLLBACK [ WORK | TRANSACTION ]

Inputs

None.

Outputs

ABORT

Message returned if successful.

NOTICE: ROLLBACK: no transaction in progress

If there is not any transaction currently in progress.

Description

ROLLBACK rolls back the current transaction and causes all the updates made by the transaction to be discarded.

Notes

Use COMMIT to successfully terminate a transaction. ABORT is a synonym for ROLLBACK.

Usage

To abort all changes: 

ROLLBACK WORK;

Compatibility

SQL92

SQL92 only specifies the two forms ROLLBACK and ROLLBACK WORK. Otherwise full compatibility.

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