Practice Concurrency Control and Recovery - Chapter 9 | Module 9: Transaction Management | Introduction to Database Systems
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are the ACID properties of transactions?

πŸ’‘ Hint: Think of the acronym ACID.

Question 2

Easy

Define a transaction in the context of databases.

πŸ’‘ Hint: Consider what it means to modify data.

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 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.

πŸ’‘ 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

πŸ’‘ Hint: Consider what 'dirty' refers to regarding data.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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

πŸ’‘ Hint: Think about how multiple users interacting with data can cause inconsistencies.

Question 2

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

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

Challenge and get performance evaluation