Hierarchies of data base languages: An example

DOI10.1016/0306-4379(75)90007-1zbMath0318.68019OpenAlexW2097008825MaRDI QIDQ1222510

Peter C. Lockemann, Klaus-Dieter Krägeloh

Publication date: 1975

Published in: Information Systems (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0306-4379(75)90007-1

Mathematics Subject Classification ID

Formal languages and automata (68Q45) Information storage and retrieval of data (68P20) General topics in the theory of software (68N01)

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