- Relational operation
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English-Tamil dictionary. 2014.
Relational operation
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relational operation — lyginimo operacija statusas T sritis informatika apibrėžtis Operacija, palyginanti du dydžius, kurios rezultatas yra loginė reikšmė, priklausanti nuo lyginamų dydžių santykio. Naudojamos šešios lyginimo operacijos: {{ mažiau; ≤ ne daugiau;… … Enciklopedinis kompiuterijos žodynas
Operation Sandblast — Part of Cold War (1953–1962) … Wikipedia
Relational algebra — Not to be confused with Relation algebra. Relational algebra, an offshoot of first order logic (and of algebra of sets), deals with a set of finitary relations (see also relation (database)) that is closed under certain operators. These operators … Wikipedia
Relational database — A visual diagram showing the relationship between the two tables, as indicated by the arrow A relational database matches data by using common characteristics found within the data set. The resulting groups of data uses the relational model (a… … Wikipedia
Relational model — The relational model for database management is a database model based on first order predicate logic, first formulated and proposed in 1969 by Edgar Codd. [ Derivability, Redundancy, and Consistency of Relations Stored in Large Data Banks , E.F … Wikipedia
Relational operator — In computer science, a relational operator is a programming language construct or operator that tests or defines some kind of relation between two entities. These include numerical equality (e.g., 5 = 5) and inequalities (e.g.,… … Wikipedia
Relational Database Management System — Eine relationale Datenbank dient zur elektronischen Datenverwaltung in Computersystemen und beruht auf dem relationalen Datenbankmodell. Dieses wurde 1970 von Edgar F. Codd erstmals vorgeschlagen und ist bis heute, trotz einiger Kritikpunkte, ein … Deutsch Wikipedia
Relational Database Management Systems — Eine relationale Datenbank dient zur elektronischen Datenverwaltung in Computersystemen und beruht auf dem relationalen Datenbankmodell. Dieses wurde 1970 von Edgar F. Codd erstmals vorgeschlagen und ist bis heute, trotz einiger Kritikpunkte, ein … Deutsch Wikipedia
comparison operation — lyginimo operacija statusas T sritis informatika apibrėžtis Operacija, palyginanti du dydžius, kurios rezultatas yra loginė reikšmė, priklausanti nuo lyginamų dydžių santykio. Naudojamos šešios lyginimo operacijos: {{ mažiau; ≤ ne daugiau;… … Enciklopedinis kompiuterijos žodynas
Comparison of relational database management systems — Programming language comparisons General comparison Basic syntax Basic instructions Arrays Associative arrays String operations … Wikipedia
Selection (relational algebra) — In relational algebra, a selection (sometimes called a restriction to avoid confusion with SQL s use of SELECT) is a unary operation written assigma {a heta b}( R ) or sigma {a heta v}( R ) where: * a and b are attribute names * heta is a binary… … Wikipedia
