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Chapter 31. Survey of Web Databases > Database Access Limitations

Database Access Limitations

Consider the following sequence of events:

  1. Person one accesses the database for editing.

  2. Next, person two comes along and does the same thing.

  3. Person one makes changes and saves that information to the database.

  4. Person two saves information as well, possibly writing over what person one just saved.

  5. A short time later, person one is wondering what happened to his or her data.


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