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Languages PQL and FO+LFP remain equivalent even in the absence of order - MaRDI portal

Languages PQL and FO+LFP remain equivalent even in the absence of order

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Publication:677720

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zbMath0868.68048MaRDI QIDQ677720

A. B. Livchak, A. Yu. Baryshnikov

Publication date: 9 June 1997

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

relational databases first-order language least fixed-point operator polynomial time queries

Mathematics Subject Classification ID

Database theory (68P15)

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