Practice - Introduction to Redundancy and Anomalies
Practice Questions
Test your understanding with targeted questions
What is data redundancy?
💡 Hint: Think about storing the same information multiple times.
What is an insertion anomaly?
💡 Hint: Consider the difficulties in adding new data without unwanted duplication.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary issue caused by data redundancy?
💡 Hint: Think about the complications that come from duplicating data.
True or False: Insertion anomalies can occur when adding a new instructor without a course assignment.
💡 Hint: Consider the relationship between data entries.
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Challenge Problems
Push your limits with advanced challenges
You have a database with multiple courses, instructors, and students. Describe how you would restructure it to eliminate all three anomalies discussed: insertion, deletion, and update.
💡 Hint: Think about how normalization might address the issues we've discussed.
Analyze the impact of failure to normalize a customer order database. How might redundancy create complexity?
💡 Hint: Consider how each part of the ordering process is connected.
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Reference links
Supplementary resources to enhance your learning experience.