Practice Deletes (1.10) - Cloud Storage: Key-value Stores/NoSQL - Distributed and Cloud Systems Micro Specialization
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Deletes

Practice - Deletes

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Practice Questions

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Question 1 Easy

What is a tombstone in database management?

💡 Hint: Think of a tombstone as a notification of deletion.

Question 2 Easy

During compaction, what happens to tombstones?

💡 Hint: Remember the lifecycle of data and its markers.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a tombstone indicate in a database?

Data has been permanently removed
Data has been marked for deletion
Data is still active

💡 Hint: Consider how databases handle the logic of deletions.

Question 2

True or False: Tombstones are removed from storage immediately upon data deletion.

True
False

💡 Hint: Think about data lifecycle in a distributed system.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how tombstones can lead to increased storage costs if not managed properly. What strategies might mitigate these costs?

💡 Hint: Consider the balance between data retention and performance.

Challenge 2 Hard

Design a system ensuring that deletes are effectively communicated to all nodes using tombstones. What factors need to be considered?

💡 Hint: Think about how communication protocols can impact data synchronization.

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