夹子 发表于 2025-3-21 16:58:43

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FRONT 发表于 2025-3-21 23:46:22

https://doi.org/10.1007/3-540-57648-7Constraint; Database Design; Database Query Languauges; Datenbank-Abfragesprache; Entity-Relationship Mo

oxidant 发表于 2025-3-22 02:13:15

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裂口 发表于 2025-3-22 07:57:04

Der Inflationseinfluß auf die Planungd record-valued sort expressions; algebraic specification of sort expressions; operations and predicates induced by the sort expressions; conversions and aggregation functions; algebraic specification of operations and predicates induced by sort expressions; user-defined aggregates; extended Entity-

Amenable 发表于 2025-3-22 11:23:56

Der Inflationseinfluß auf die Planungonstruction and inheritance; ranges; formulas; final form of declarations; queries; transitive closure; sorting feature; finiteness of calculus terms; safeness of the extended Entity-Relationship calculus; relational completeness of the extended Entity-Relationship calculus; relationship and value d

follicular-unit 发表于 2025-3-22 15:19:49

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lattice 发表于 2025-3-22 17:52:05

https://doi.org/10.1007/978-3-322-84230-5ies with UNION; SQL queries following the SELECT FROM WHERE schema; search conditions; EXISTS, ANY, ALL, and IN subqueries; duplicates in results; general requirements for SQL core queries; semantic equations for SQL core queries; example for translating an SQL query to the calculus; comparison to s

Largess 发表于 2025-3-22 22:22:23

An Extended Entity-Relationship Model978-3-540-48301-4Series ISSN 0302-9743 Series E-ISSN 1611-3349

EXCEL 发表于 2025-3-23 05:07:40

Aufgaben, Ziele und Grenzen der PlanungDatabase design; conceptual design; semantic data models; foundations of data models and languages; Entity-Relationship models; missing formal semantics for Entity-Relationship query languages; overview of the contents of this text.

Curmudgeon 发表于 2025-3-23 08:56:02

Introduction,Database design; conceptual design; semantic data models; foundations of data models and languages; Entity-Relationship models; missing formal semantics for Entity-Relationship query languages; overview of the contents of this text.
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查看完整版本: Titlebook: An Extended Entity-Relationship Model; Fundamentals and Pra Martin Gogolla Book 1994 Springer-Verlag Berlin Heidelberg 1994 Constraint.Data