Practice Deletion Anomalies (6.1.2) - Normalization - Introduction to Database Systems
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Deletion Anomalies

Practice - Deletion Anomalies

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Practice Questions

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Question 1 Easy

What is a deletion anomaly?

💡 Hint: Think about what information might be lost when deleting a student record.

Question 2 Easy

How can normalization help prevent deletion anomalies?

💡 Hint: Consider how separating data into tables can help maintain links.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens when a deletion anomaly occurs?

True
False

💡 Hint: Consider the consequences of deleting a single record.

Question 2

How can normalization prevent deletion anomalies?

💡 Hint: Think of how dividing information can help safeguard it.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a simple student database with two tables that effectively avoid deletion anomalies when a student drops a course.

💡 Hint: Think about how to maintain course records separate from student records.

Challenge 2 Hard

Evaluate the provided structure of a single table for students and courses. Identify potential deletion anomalies.

💡 Hint: Analyze how a single structure might limit information retention.

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