Chapter 2

Protecting Against User Errors and Conflicts

IN THIS CHAPTER

Bullet Dealing with human errors: More trouble in paradise

Bullet Resolving operational errors

Bullet Taking the ACID test

Bullet Preventing mix-ups with transactions

Bullet Understanding lock types

Bullet Getting locks and the recovery system in tune

Bullet Using timestamps

After you have done everything you can do to minimize the possibility of problems due to hardware faults and Internet threats (which I discuss in Book 4, Chapter 1), you still have to worry about yet other things that can damage the data in your database or degrade performance.

Several additional potential sources of error exist. Here are a few of the most important:

  • The database design could be faulty, leading to modification anomalies or poor performance.
  • The database application written ...

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