When should I use DATETIME or TIMESTAMP in SQL?

When should I use DATETIME or TIMESTAMP in SQL?

You should use DATETIME when you need to store date and time values without timezone information. Use TIMESTAMP when you want to store date and time values that are timezone-aware.

What are the main differences between them?

The main differences are that TIMESTAMP is affected by timezone changes and is stored as UTC, while DATETIME is not affected by timezones and stores the exact date and time.

Can I convert between DATETIME and TIMESTAMP?

Yes, you can convert between DATETIME and TIMESTAMP using the appropriate SQL functions, but be mindful of timezone adjustments.

Which one is better for performance?

Generally, TIMESTAMP can be more efficient for certain operations because it uses less storage space, but the choice should depend on your specific use case.