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Object-oriented database management systems: concepts and issues

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2 Author(s)
Bertino, E. ; Dept. of Math., Genova Univ., Italy ; Martino, L.

Requirements imposed on both the object data model and object management by the support of complex objects are outlined. The basic concepts of an object-oriented data model are discussed. They are objects and object identifiers, aggregation, classes and instantiation mechanisms, metaclasses, and inheritance. Object-oriented models are compared with semantic, relational, and Codasyl models. Object-oriented query languages and query processing are considered. Some operational aspects of data management in object-oriented systems are examined. Schema evolution is discussed.<>

Published in:

Computer  (Volume:24 ,  Issue: 4 )