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DAGSTUHL
1993

Syntax and Semantics of Hybrid Database Languages

9 years 1 months ago
Syntax and Semantics of Hybrid Database Languages
Abstract. We present the hybrid query language HQL/EER for an Extended Entity-Relationship model. As its main characteristic, this language allows a user to freely mix graphical and textual formulation of a query. We show how syntax and semantics of this hybrid language are formally defined by means of a slightly extended version of PROGRES, a specification formalism based on programmed and attributed graph rewriting systems.
Marc Andries, Gregor Engels
Added 02 Nov 2010
Updated 02 Nov 2010
Type Conference
Year 1993
Where DAGSTUHL
Authors Marc Andries, Gregor Engels
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