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 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.
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 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.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation