
Contents
Preface to the Third Edition ix
Readership—Scope—Structure and content—Terminology—Questions and
assignments—Comparison with the second edition—Acknowledgements
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Database—Torg Ltd—Analysis—Answer pointers
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1 Database systems 15
The database approach—Program/data independence—Other database
management system facilities—What constitutes a database management
system?—Disadvantages—Database vs database management system—
Scope of a database—Assignment—Answer pointers
2 Database management system architecture 24
Introduction—A three-level architecture—The conceptual schema—The ...