What are common SQL transaction errors and how can I fix them?

What are common SQL transaction errors and how can I fix them?

Common SQL transaction errors include deadlocks, serialization failures, and constraint violations. To fix them, you can retry the transaction, adjust isolation levels, or ensure data integrity.

Can you explain what a deadlock is?

A deadlock occurs when two or more transactions are waiting for each other to release locks, causing them to be stuck. You can resolve it by detecting deadlocks and rolling back one of the transactions.

What should I do if I encounter a serialization failure?

If you encounter a serialization failure, it usually means that your transaction couldn't be completed due to concurrent updates. You can retry the transaction after a short delay.

How can I prevent constraint violations?

To prevent constraint violations, ensure that your data adheres to the defined constraints before attempting to insert or update it. Validate data in your application logic.