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Comparison of object–relational database management systems

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The following Database Management Systems (DBMSs) have at least some object-relational features. They vary widely in their completeness and the approaches taken. The following tables compare general and technical information for a number of object-relational database management systems. Please see the individual products' articles for further information. This article is not all-inclusive or necessarily up-to-date. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs.

Fundamental features

Information about what fundamental ORDBMSes features are implemented natively.

Type Method Type inheritance Table inheritance
CUBRID Yes Yes Yes Yes
Oracle Yes Yes[1] Yes Yes
OpenLink Virtuoso Yes Yes Yes Yes
PostgreSQL Yes Yes Yes Yes
Informix Yes Yes Yes Yes

Notes

  1. ^ No private methods, no way to call super method from a child.

Data types

Information about what data types are implemented natively.

Array List Set Multiset Object reference
CUBRID Yes Yes Yes Yes Yes
Oracle Yes Yes Yes Yes Yes
OpenLink Virtuoso Yes Yes Yes Yes Yes
PostgreSQL Yes Yes Yes Yes Yes
Informix No Yes Yes Yes Yes

See also

  • Arvin.dk, Comparison of different SQL implementations
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