Practice - CHECK Constraint
Practice Questions
Test your understanding with targeted questions
Describe what a CHECK constraint does.
💡 Hint: Think about the rules for acceptable data in a database.
True or False: A CHECK constraint can allow data that does not meet the specified conditions.
💡 Hint: Consider what happens when you try to insert invalid data.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a CHECK constraint do?
💡 Hint: Think about how constraints work in ensuring the quality of data.
True or False: You can directly edit existing CHECK constraints once they are defined.
💡 Hint: Consider how constraints are applied to the table structure.
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Challenge Problems
Push your limits with advanced challenges
Design a table for a movie database. Include columns for title, release year, and rating. Ensure that the rating must be between 0 and 10 and the release year must not be in the future.
💡 Hint: Think about what restrictions you want for both rating and release year.
Create a scenario where a CHECK constraint might prevent a valuable business operation. Explain the scenario and how the constraint could impact your data entry process.
💡 Hint: Think about real-world examples where incorrect data could lead to larger issues.
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Reference links
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