Is it possible to rollback after commit

The query returns the results of the previous statements. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services.

Privacy policy. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. We can rollback a delete query but not so for truncate and drop. How do I rollback in SQL? The following commands are used to control transactions. Why commit is not used in triggers? This is because triggers fire during a transaction. When the trigger fires the current transaction is still not complete. What is the use of commit and rollback in SQL?

What is commit in SQL? What is meant by cascading rollback? A cascading rollback occurs in database systems when a transaction T1 causes a failure and a rollback must be performed. Other transactions dependent on T1's actions must also be rollbacked due to T1's failure, thus causing a cascading effect. This comment can help you diagnose the failure of a distributed transaction. Use this clause to specify the priority with which the redo information generated by the commit operation is written to the redo log.

Use this clause to improve response time in environments with stringent response time requirements where the following conditions apply:. The volume of update transactions is large, requiring that the redo log be written to disk frequently. The latency contributed by waiting for the redo log write to occur contributes significantly to overall response time. In a distributed database system, the FORCE clause lets you manually commit an in-doubt distributed transaction.

Data Definition Statements. LIKE Statement. Silent Column Specification Changes. Data Manipulation Statements. The Subquery as Scalar Operand. Comparisons Using Subqueries. Rewriting Subqueries as Joins. Restrictions on Subqueries. Transactional and Locking Statements. Statements That Cause an Implicit Commit.

Restrictions on XA Transactions. Replication Statements. Variables in Stored Programs. Local Variable Scope and Resolution. Flow Control Statements.