What is a transaction rollback in PostgreSQL?
An example of an AI chatbot conversation about PostgreSQL transaction rollback.
What is a transaction rollback in PostgreSQL?
A transaction rollback in PostgreSQL is a way to revert the database to its previous state in case of an error or failure.
When would I need to use a rollback?
You would use a rollback when an operation fails, such as a failed insert or update, to maintain data integrity.
How do I perform a rollback in PostgreSQL?
You can perform a rollback using the ROLLBACK command after starting a transaction with BEGIN;.
Can I rollback multiple transactions at once?
No, you can only rollback the current transaction. Each transaction must be handled individually.
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