Practice Insertion Anomalies (6.1.1) - Normalization - Introduction to Database Systems
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Insertion Anomalies

Practice - Insertion Anomalies

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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