Compare. Extend. New data. ODL, OQL. Object-Database. Challenge. Identity. Inheritance. Design. Objectives. Overview of ODMG Data Model Object Data Language – ODL Object Query Language - OQL. ODMG Data Model. Conceived by ODMG in 1991.
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Collection of object
Using Object Data Language to specify properties of class.
OODBMS have developed query language based on relational query language.
ORDBMSs are supported by most of the ‘major players’ in the DBMS market place.