What is data validation in database management?

What is data validation in database management?

Data validation in database management ensures that the data entered into a database is accurate, complete, and reliable.

Why is data validation important?

It's crucial because it helps maintain data integrity, prevents errors, and ensures that the data meets specific criteria.

What are some common methods of data validation?

Common methods include range checks, format checks, consistency checks, and using validation rules or constraints.

Can you give an example of a validation rule?

Sure! A validation rule could be ensuring that a date of birth field only accepts dates in the past.