Practice Concurrency Control And Recovery (Chapter 9) - Transaction Management
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Concurrency Control and Recovery

Practice - Concurrency Control and Recovery

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the ACID properties of transactions?

💡 Hint: Think of the acronym ACID.

Question 2 Easy

Define a transaction in the context of databases.

💡 Hint: Consider what it means to modify data.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the Atomicity property ensure?

All operations of a transaction must succeed or none at all.
A transaction can run concurrently.
Data can be read at any point in time.

💡 Hint: Think about the 'all or nothing' concept.

Question 2

True or False: A Dirty Read occurs when a transaction reads committed data.

True
False

💡 Hint: Consider what 'dirty' refers to regarding data.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss the role of Isolation in preventing data anomalies during concurrent transaction execution. Use examples to illustrate your points.

💡 Hint: Think about how multiple users interacting with data can cause inconsistencies.

Challenge 2 Hard

Analyze a scenario where a database might experience a deadlock. Discuss potential strategies to detect and resolve the deadlock.

💡 Hint: Visualize the locking scenarios and how they can lead to a circular dependency.

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Reference links

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