SURVEY ON DATABASE INTEGRITY CONSTRAINTS IN VARIOUS OBJECT ORIENTED DATABASE MANAGEMENT SYSTEMS

Vaishali Jayesh Dindoliwala, Rustom D Morena

Abstract


The accuracy, consistency and integrity of data in Object Oriented Database Management Systems (OODBMSs) are extremely important for developers and users. Checking the integrity constraints like domain integrity, entity integrity and referential integrity in OODBMSs is a fundamental problem in database design. Existing OODBMSs lack the capability for automated verification and enforcement of integrity constraints that appear amongst attributes in association, composition and inheritance relationships. In this paper, we have surveyed OODBMSs like db4O, Objectivity/DB, ObjectStore, GemStone and O2 based on constraint mechanism provided by them and made a comparative survey on them.

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