The TableTalk query language

  • Authors:
  • Richard G. Epstein

  • Affiliations:
  • -

  • Venue:
  • Journal of Visual Languages and Computing
  • Year:
  • 1991

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Abstract

A graphical query language is a visual language which is intended as a database interface and which employs visual metaphors in order to express the semantics of a database language. The TableTalk graphical query language assumes an objectoriented data model and is based upon the notion of a functional query language. TableTalk is a diagrammatic language which uses a variety of visual representations to capture the semantics of a functional query language, including vertical and horizontal juxtapositioning of elements and spatial embedding. This paper presents an introduction to the TableTalk language as well as a description of how TableTalk might be used in a graphical query system.