Review Questions
1. | Discuss the different types of transaction failures that may occur in a database environment. |
2. | What is database recovery? What is meant by forward and backward recovery? Explain with an example. |
3. | How does the recovery manager ensure atomicity and durability of transactions? |
4. | What is the difference between stable storage and disk? |
5. | Describe how the transaction log file is a fundamental feature in any recovery mechanism. |
6. | What is the difference between a system crash and media failure? |
7. | Describe how transaction log file is used in forward and backward recovery. |
8. | Explain with the help of examples why it is necessary to store transaction log records in a stable storage before committing that transaction when immediate update ... |
Get Database Systems: Concepts, Design and Applications now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.