Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
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.
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 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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation