What are some effective rollback strategies in PostgreSQL?
In PostgreSQL, effective rollback strategies include using transactions, savepoints, and point-in-time recovery.
Can you explain how transactions work for rollbacks?
Sure! Transactions in PostgreSQL allow you to group multiple operations into a single unit. If any operation fails, you can roll back the entire transaction.
What are savepoints and how do they help?
Savepoints let you set intermediate points within a transaction. If something goes wrong, you can roll back to a savepoint instead of the entire transaction.
How does point-in-time recovery work?
Point-in-time recovery allows you to restore your database to a specific moment, using WAL (Write Ahead Logging) to replay changes up to that point.
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