Quick Answer: When Can You Rollback A Transaction?

When should you rollback?

Rollback is used to maintain the integrity of the database.

So it is either full in or none.

For e.g suppose you have 10 rows that you are supposed to insert into a table and on the 8th row there is an issue , then under such a case all the transactions will be rolled back..

Can you rollback a transaction after commit?

A transaction is a sequence of SQL statements that Oracle Database treats as a single unit. … After you commit the transaction, the changes are visible to other users’ statements that execute after the commit. You can roll back (undo) any changes made during the transaction with the ROLLBACK statement (see ROLLBACK.

How do I rollback a SQL transaction?

You can see that the syntax of the rollback SQL statement is simple. You just have to write the statement ROLLBACK TRANSACTION, followed by the name of the transaction that you want to rollback.

Does Raiserror rollback transaction?

Depends on error severity. Some errors automatically rollback a transaction, some don’t. If you want to be sure, you have to use RAISERROR, or IF condition ROLLBACK TRAN.

How does rollback work?

A rollback is a commonly used term in computer science for database management system. A database is used to store large amount of data. … The process of rollback involves cancelling a set of transactions or a transaction and brings the database to its previous state before those particular transactions were performed.

What are rollback procedures?

Rollback procedures involve applying substantive audit procedures to transactions that occur between a current period yearend or inventory observation date and the reaudit balance sheet date.