The POSTGRES Data Model (1987)
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| Venue: | VLDB Conference |
| Citations: | 101 - 5 self |
BibTeX
@INPROCEEDINGS{Rowe87thepostgres,
author = {Lawrence A. Rowe and Michael R. Stonebraker},
title = {The POSTGRES Data Model},
booktitle = {VLDB Conference},
year = {1987},
pages = {83--96},
publisher = {Society Press}
}
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Abstract
The design of the POSTGRES data model is described. The data model is a relational model that has been extended with abstract data types including user-defined operators and procedures, relation attributes of type procedure, and attribute and procedure inheritance. These mechanism can be used to simulate a wide variety of semantic and object-oriented data modeling constructs including aggregation and generalization, complex objects with shared subobjects, and attributes that reference tuples in other relations. 1. Introduction This paper describes the data model for POSTGRES, a next-generation extensible database management system being developed at the University of California [StR86]. The data model is based on the idea of extending the relational model developed by Codd [Cod70] with general mechanisms that can be used to simulate a variety of semantic data modeling constructs. The mechanisms include: 1) abstract data types (ADT's), 2) data of type procedure, and 3) rules. These me...
Keyphrases
postgres data model data model abstract data type relational model type procedure user-defined operator shared subobjects complex object relation attribute general mechanism mechanism include semantic data wide variety object-oriented data codd cod70 reference tuples california str86 procedure inheritance next-generation extensible database management system
