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Chapter 37. Database Basics > About Database Systems

About Database Systems

A database is a program designed for the storing of data in a centralized, easy to access form. Database technologies exist in several types. The two most common are

  • File server database— These databases include most of the familiar,personal computer-style databases such as Microsoft Access, FoxPro, dBASE, Clarion, Paradox, Filemaker Pro, and others. This type of database simply provides a shared file and access method to retrieve the data.

  • Relational databases— The full, and I'll refer to these sophisticated database environments as RDBMSs throughout the rest of this chapter. RDMBSs tend to be much more powerful and flexible than file server systems. RDBMSs such as Oracle, Informix, Sybase, or Microsoft SQL Server, consist of a set of programs that function independently.


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