SIGMOD Record March 1990

Editor’s Notes (in: PDF)

ARTICLE

Extending the transaction model to capture more meaning

M. E. Rusinkiewicz, A. K. Elmagarmid, Y. Leu, W. Litwin

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An SQL-based query language for networks of relations

Amit Basu, Rafiul Ahad

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A note on the translation of SQL to tuple calculus

Martin Gogolla

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Semantic modeling through identification and characterization of objects

Dan Jonsson

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Four valued logic for relational database systems

G. H. Gessert

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The implication problem for inclusion dependencies: a graph approach

Rokia Missaoui, Robert Godin

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