Mapping a semantic database model to the relational model-Reference-Cited by-同舟云学术

Mapping a semantic database model to the relational model

Published:1987-12 Issue:3 Volume:16 Page:132-142
ISSN:0163-5808
Container-title:ACM SIGMOD Record
language:en
Short-container-title:SIGMOD Rec.

Author:

Lyngbaek Peter¹,Vianu Victor²

Affiliation:

1. Hewlett-Packard Laboratories, Palo Alto, CA

2. Univ. of California at San Diego, La Jolla

Abstract

The connection between semantic database models and the relational model is formally investigated using the Iris Data Model, which has been implemented using relational database techniques. The results focus on properties of relational schemas that are translations of Iris schemas. Two new types of constraints, cross-product constraints and multiplicity constraints are introduced to characterize the relational translations of Iris schemas. The connection established between Iris and relational schemas also yields new, unexpected information about Iris schemas. In particular, a notion of equivalence of Iris schemas is defined using their relational translations, and a result is obtained on simplifying the type structure of Iris schemas.

Publisher

Association for Computing Machinery (ACM)

Subject

Information Systems,Software

Link

https://dl.acm.org/doi/pdf/10.1145/38714.38732

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