Data model: OODBMS vs. RDBMS

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Issue:

Technology

 

Written by:

Elliott L

 

Date added:

November 2, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 1043

 

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9155 times

 

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Composite Objects and Relationships: Objects in an OODBMS can store an arbitrary number of atomic types as well as other objects. It is thus possible to have a large class which holds many medium sized classes which themselves hold many smaller classes, ad infinitum. In a relational database this has to be done either by having one huge table with lots of null fields or via a number of smaller, normalized tables which are linked via foreign keys...
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Composite Objects and Relationships: Objects in an OODBMS can store an arbitrary number of atomic types as well as other objects. It is thus possible to have a large class which holds many medium sized classes which themselves hold many smaller classes, ad infinitum. In a relational database this has to be done either by having one huge table with lots of null fields or via a number of smaller, normalized tables which are linked via foreign keys...
displayed next 300 characters

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