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Posted Jun 18, 2003

A Point of View on ORDBMS

By Staff

[From Technopoles-M]

This article is dedicated primarily to logical representation of objects in database by means of two object-relational (OR) languages: SQL3 (or SQL:1999) ( and Zigzag ( Really, the SQL3 is not final and is not supported by all the known object-relational DBMSs completely. The matter in hands of this article is object-oriented SQL of Oracle and Informix. Zigzag differs from SQL not only in syntax but also in methods of data processing. Whereas the SQL is a calculus language, the Zigzag is an algebra object-relational language.

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