tuple calculus

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• Calculus (disambiguation) — Calculus is Latin for pebble, and has a number of meanings in English: In mathematics and computer science Calculus , in its most general sense, is any method or system of calculation. To modern theoreticians the answer to the question what is a… …   Wikipedia

• Tuple relational calculus — The tuple calculus is a calculus that was introduced by Edgar F. Codd as part of the relational model in order to give a declarative database query language for this data model. It formed the inspiration for the database query languages QUEL and… …   Wikipedia

• Tuple — This article is about the mathematical concept. For the musical term, see Tuplet. For the achievement in Association Football, see The Sextuple. In mathematics and computer science, a tuple is an ordered list of elements. In set theory, an… …   Wikipedia

• Domain relational calculus — In computer science, domain relational calculus (DRC) is a calculus that was introduced by Michel Lacroix and Alain Pirotte as a declarative database query language for the relational data model.[1] In DRC, queries have the form: where each Xi is …   Wikipedia

• Lambda calculus — In mathematical logic and computer science, lambda calculus, also written as λ calculus, is a formal system designed to investigate function definition, function application and recursion. It was introduced by Alonzo Church and Stephen Cole… …   Wikipedia

• Relational calculus — consist of two calculi, the tuple relational calculus and the domain relational calculus, that are part of the relational model for databases and provide a declarative way to specify database queries. This in contrast to the relational algebra… …   Wikipedia

• SQL — This article is about the database language. For the airport with IATA code SQL, see San Carlos Airport. SQL Paradigm(s) Multi paradigm Appeared in 1974 Designed by Donald D. Chamberlin Raymond F. Boyce Developer …   Wikipedia

• Data model — Overview of data modeling context: A data model provides the details of information to be stored, and is of primary use when the final product is the generation of computer software code for an application or the preparation of a functional… …   Wikipedia

• Bereichskalkül — Für die theoretische Betrachtung und die semantisch genaue Definition von Anfragesprachen für Datenbanken werden Kalkülausdrücke genutzt, speziell der Tupelkalkül (engl. tuple calculus) und der Bereichskalkül (auch Domänen Kalkül, engl. domain… …   Deutsch Wikipedia

• Domänenkalkül — Für die theoretische Betrachtung und die semantisch genaue Definition von Anfragesprachen für Datenbanken werden Kalkülausdrücke genutzt, speziell der Tupelkalkül (engl. tuple calculus) und der Bereichskalkül (auch Domänen Kalkül, engl. domain… …   Deutsch Wikipedia

• Kalkül (Datenbank) — Für die theoretische Betrachtung und die semantisch genaue Definition von Anfragesprachen für Datenbanken werden Kalkülausdrücke genutzt, speziell der Tupelkalkül (engl. tuple calculus) und der Bereichskalkül (auch Domänen Kalkül, engl. domain… …   Deutsch Wikipedia