Objectives (cont’d.)
•About flaws in file system data management
•The main components of the database system
•The main functions of a database management system (DBMS)
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Database Systems, 10th Edition
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Introduction
•Good decisions require good information derived from raw facts
•Data is managed most efficiently when stored in a database
•Databases evolved from computer file systems
•Understanding file system characteristics is important
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Database Systems, 10th Edition
Why Databases?
•Databases solve many of the problems encountered in data management
–Used in almost all modern settings involving data management:
•Business
•Research
•Administration
•Important to understand how databases work and interact with other applications
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Database Systems, 10th Edition