November 2008
Intermediate to advanced
592 pages
20h 13m
English
Content preview from Introduction to Database Systems
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CHAPTER 11
DATABASE RECOVERY SYSTEM
After reading this chapter, the reader will understand:
- Types of failures that can occur in a system
- Caching of disk pages containing data items
- How system log is maintained during normal execution so that the recovery process can be performed
- The process of checkpointing, which helps in reducing the time taken to recover from a crash
- The two categories of recovery techniques, namely, log-based recovery techniques and shadow paging
- The further classification of log-based techniques into two types, namely, techniques based on deferred update and techniques based on immediate update
- Recovery of a system with multiple concurrent transactions
- ARIES recovery algorithm
- Recovery of a system from catastrophic failures ...
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