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Unformatted text preview: databases. First, users are able to create ad hoc queries to create useful reports that help business decisions. Second, the data structures are logical, easily retrievable and modifiable. Third, relational database have excellent security; it supports access permissions based on users and user rights. This security allows database administrators to provide access to data on a need to know basis. Finally, relational databases perform well are easily scalable to meet the needs of the end user. One of the major limitations of relational databases is that it does not support several data types; for example pictures, sound, and video. Unlike object databases, relational databases only hold tables as unordered lists and can retrieve an ordered list only if a specially built index is added. Relational databases are not able to process large amounts of transactions quickly, thus posing a challenge to organizations that require quick, real time processing....
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This note was uploaded on 07/16/2011 for the course IS 620 taught by Professor Dr.a during the Winter '11 term at Nova Southeastern University.
- Winter '11
- Relational Database