Free CompTIA ITF+ FC0-U61 Practice Question

In an employee database, a table called 'employees' has a 'salary' field. The company policy states that no employee should have a salary lower than $30,000. Which type of constraint would be used to ensure this policy is enforced?

  • PRIMARY KEY constraint

  • FOREIGN KEY constraint

  • UNIQUE constraint

  • CHECK constraint

This question's topic:
CompTIA ITF+ FC0-U61 / 
Database Fundamentals
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