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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a deletion anomaly?
π‘ Hint: Think about what information might be lost when deleting a student record.
Question 2
Easy
How can normalization help prevent deletion anomalies?
π‘ Hint: Consider how separating data into tables can help maintain links.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens when a deletion anomaly occurs?
π‘ Hint: Consider the consequences of deleting a single record.
Question 2
How can normalization prevent deletion anomalies?
π‘ Hint: Think of how dividing information can help safeguard it.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Design a simple student database with two tables that effectively avoid deletion anomalies when a student drops a course.
π‘ Hint: Think about how to maintain course records separate from student records.
Question 2
Evaluate the provided structure of a single table for students and courses. Identify potential deletion anomalies.
π‘ Hint: Analyze how a single structure might limit information retention.
Challenge and get performance evaluation