Functional Data Model

  • Alan Bundy
  • Lincoln Wallen
Part of the Symbolic Computation book series (SYMBOLIC)

Abstract

An entity-relationship data model with relationships expressed as functions which map their arguments to a single entity value or to a set of entities. Derived functions allow the definition of arbitrary new relationships in terms of existing ones. Different user views of data can be presented by defining appropriate derived functions. Updating of derived relationships is supported through procedures explicitly provided by the user.

Keywords

Tate Karen 

Reference

  1. [Shipman 81]
    Shipman, D.W. The Functional Data Model and the Data Language DAPLEX. ACM Transactions and Database Systems 6(1): 140–173, 1981.CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • Alan Bundy
    • 1
  • Lincoln Wallen
  1. 1.Department of Artificial IntelligenceEdinburgh UniversityEdinburghScotland

Personalised recommendations