[1] : The Free On-line Dictionary of Computing (27 SEP 03)

relational data model
     
         or "relational model" a data model introduced
        by e.f. codd in 1970, particularly well suited for business
        data management.  in this model, data are organised in
        tables.  the set of names of the columns is called the
        "schema" of the table.
     
        here is an example table with the schema account number,
        amount and 3 lines.
     
         account number     amount
         --------------  ---------
         12343243546456  +30000.00
         23149875245824   +2345.33
         18479827492874    -123.25
     
        the data can be manipulated using a relational algebra.
        sql is a standard language for talking to a database built
        on the relational model a "relational database".
     
        "a relational model for large shared data banks"
        communications of acm 13:6, pp 377-387.
     
        1998-10-05
     
     
see also:
data model e.f. codd tables relational algebra sql relational database 

Data Model >> D Words
Data Model, definition of term: Data Model
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Data >> D Words
Data, definition of term: Data
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Data Path >> D Words
Data Path, definition of term: Data Path
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Data Mining >> D Words
Data Mining, definition of term: Data Mining
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Data Point >> D Words
Data Point, definition of term: Data Point
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Data Processing >> D Words
Data Processing, definition of term: Data Processing
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Data Set >> D Words
Data Set, definition of term: Data Set
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Data Rate >> D Words
Data Rate, definition of term: Data Rate
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Data Warehouse >> D Words
Data Warehouse, definition of term: Data Warehouse
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Data Warehousin >> D Words
Data Warehousin, definition of term: Data Warehousin
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