MSSQL DATABASE INTERVIEW QUESTIONS

What is a CHECK constraint in MSSQL?

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

Can a CHECK constraint reference multiple columns in MSSQL?

How do you disable and enable a CHECK constraint in MSSQL?

How do you handle violations of CHECK constraints during data insertion in MSSQL?

How do you create a CHECK constraint to enforce a range of values in MSSQL?

How do you create a CHECK constraint to validate date ranges in MSSQL?

How do you drop a CHECK constraint from an existing table in MSSQL?

How do you enforce complex business rules using CHECK constraints in MSSQL?

Explain a scenario where using a CHECK constraint is crucial for a business application in MSSQL and describe how you would implement it.