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Q3793777 - MaRDI portal

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scientific article
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scientific article

    Statements

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    1988
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    predicate calculus
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    relational algebra
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    tableau
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    unambiguity
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    nonnull condition
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    query optimization
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    \(\gamma \)-acyclicity
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    universal relation view
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    relational database
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    data manipulation language
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    DURST
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    navigation
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    formal semantics
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    database system INGRES
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    Identifiers