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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an insertion anomaly in a database?
💡 Hint: Think about the relationships between different types of data.
Question 2
Easy
Can you give an example of an insertion anomaly?
💡 Hint: Consider how data elements are linked.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is an insertion anomaly?
- A problem that occurs during data update.
- A difficulty in adding new data without unnecessary dependency.
- A scenario where data is deleted mistakenly.
💡 Hint: Consider the context of adding new valid data.
Question 2
True or False: Insertion anomalies can occur in a well-normalized database.
- True
- False
💡 Hint: Recall how normalization aims to improve data integrity.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a relational database schema for a school, identify possible insertion anomalies and suggest how to redesign the schema to eliminate them.
💡 Hint: Look for dependencies that force unrelated data together.
Question 2
Create an abstract design for a database that allows adding both courses and instructors without creating dummy entries.
💡 Hint: Ensure each entity can exist independent of the others.
Challenge and get performance evaluation