What is SQL rollback and how do I use it?
SQL rollback is a command used to undo changes made in a transaction. You can use it to revert to the last committed state.
Can you give me an example of how to implement a rollback?
Sure! First, you start a transaction with BEGIN TRANSACTION
, then make your changes. If you decide to undo them, you can use ROLLBACK
.
What happens if I don't use rollback?
If you don't use rollback, any changes made during the transaction will be permanently applied once you commit the transaction.
Are there any limitations to using rollback?
Yes, rollback can only undo changes made in the current transaction. Once a transaction is committed, it cannot be rolled back.
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