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12 Cards in this Set
- Front
- Back
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Redundancy
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duplication of data or storing of data in more than one place
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entity
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an object for which you want to store and process data
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attribute
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A character or property of an entity.
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2 more names for entity
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Field or column
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data file
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file used to store data
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database
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structure that can store info about multiple entities, attributes and relationships
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entity-reationship diagram
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visual way to represent a database
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DBMS
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database management system - program through which users interact with a database - ie, access
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database design
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determining the structure of the database
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forms
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objects used to maintain, view, and print the database
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Switchboard
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set of forms used to provide controlled access to the data
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Advantages of database processing
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-more information
-sharing data -balancing conflicting requirements -controlling redundancy -facilitating consistency -improving integrity -expanding security -increasing productivity -providing data independence |
