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15 Cards in this Set
- Front
- Back
Database
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A collection of data organized in a manner that allows access, retrieval, and use of that data
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Data
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A collection of unprocessed items, which can include text, number images, audio, and video
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Information
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is processed data; that is, it is organized meaningful, and useful
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DBMS
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Creates computerized database, add, change, and delete data in the database; sort and retrieve data from the database, and creates and reports from the data in the database
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DBMS stands for, and is also called
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Database Management system
Database Software |
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Data integrity
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The quality of data
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GIGO
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a computing phrase that points out the accuracy of a computer's output depends on the accuracy of the input
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7 qualities of valuable info
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Accurate info is error free
Verifiable info can be proven Timely info has age Organized info suits decision makers needs Accessible info is available for decision maker Useful info has meaning to person Cost-effective info gives more value than cost |
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Data is organized in
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Layers
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8 ___ are grouped together to make 1 ___
Character is |
Bits, byte
Each byte represents a character |
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Field
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A combination of one or more related characters or bytes and is the smallest unit of data a suer accesses
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Field name
Field size |
Uniquely identifies each field
Maximum umber of characters a field can contain |
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Data type
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Specifies the kind of data a field can contain and how the field is used
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8 common data types
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Text,Auto number, Currency, Date, memo, Yes/No, Hyper link, Object
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Data is organized in
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layers
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