Class hierarchy for object aggregation representation of relational database rows with cells having nontraditional datatypes
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United States of America Patent
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Sep 28, 1999
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N/A
app pub date -
May 6, 1997
filing date -
May 6, 1997
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Abstract
A program product is described in which a particularly advantageous hierarchical class library is provided to permit object oriented applications to instantiate objects to access and to manipulate, in accordance with the object model, nontraditional data values of a relational table. Nontraditional datatypes of a relational table include multimedia and large object datatypes. The data is manipulable by virtue of extended data objects that each represent a cell of a relational row, and that each inherit type-specific behaviors from the class library. The class library is advantageously structured into a hierarchy that ensures the availability of certain member functions for extended data objects.
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