Practice Failure Classification: Understanding What Can Go Wrong (10.1) - Database Recovery
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Failure Classification: Understanding What Can Go Wrong

Practice - Failure Classification: Understanding What Can Go Wrong

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a transaction failure?

💡 Hint: Look for reasons why a transaction doesn't complete.

Question 2 Easy

Name one example of a system crash.

💡 Hint: Think about unexpected events that disrupt the system.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a transaction failure?

When a transaction completes successfully
When a transaction cannot complete and must roll back
When there is no DBMS running

💡 Hint: Consider what happens during an error in a transaction.

Question 2

True or False: Disk failures only affect volatile storage.

True
False

💡 Hint: Remember which type of storage disk failures involve.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Suppose a database transaction fails due to a logical error while trying to update a customer record. Discuss the steps a DBMS should take to ensure atomicity is maintained.

💡 Hint: Consider the principles ensuring no partial transactions remain.

Challenge 2 Hard

In a scenario where a system crash occurs from a power outage, outline the differences in recovery between ensuring atomicity and durability.

💡 Hint: Recall what happens to committed and uncommitted transactions during recovery.

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Reference links

Supplementary resources to enhance your learning experience.