MYSQL DATABASE INTERVIEW QUESTIONS

What is a CHECK constraint in MySQL?

How do you create a table with a CHECK constraint?

Can you apply multiple CHECK constraints to a single table? Provide an example.

How do you add a CHECK constraint to an existing table?

How can you remove a CHECK constraint from a table?

What happens if you try to insert a value that violates a CHECK constraint?

How do you define a CHECK constraint with a complex condition?

Can you use a CHECK constraint to validate values across multiple columns?

Explain how the CHECK constraint interacts with DEFAULT values.

Describe a scenario where using a CHECK constraint is crucial for data integrity, and provide a solution using MySQL.