CS 3540

Chapter 15 Reading Assignment March 16th – in class

1. What is difference between a hot backup and a cold backup?
2. What is the most common reason for a required database recovery?
3. What are the main factors in determining the number of generations of backup to retain?
4. What is the difference between an image copy backup and a logical backup?
5. What is meant by the term "recover to current"?
6. What is a main factor determining the frequency with which a database should be backed up?
7. What factors can shorten the duration of a recovery?
8. What is the difference between disk mirroring and replication?
9. What is the benefit of doing full image backups immediately following a reorganization?
10. Which types of failures usually require recover to current?

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