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Declarative programming languages

  • Couverture cartonnée
  • 84 Nombre de pages
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Texte du rabat Source: Wikipedia. Pages: 83. Chapters: .QL, ABSET, ABSYS, Alpha (programming language), ASCEND, Atom (programming ... Lire la suite
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Texte du rabat

Source: Wikipedia. Pages: 83. Chapters: .QL, ABSET, ABSYS, Alpha (programming language), ASCEND, Atom (programming language), ATS (programming language), CLP(R), Constraint Handling Rules, Curl (programming language), CycL, Dependent ML, Distributed Application Specification Language, ECL (data-centric programming language), Embedded SQL, Epigram (programming language), Erlang (programming language), Extensible Application Markup Language, FuncDesigner, FXML, General-purpose declarative language, GeneXus, Glowe (programming language), GOAL agent programming language, Gofer (programming language), Harbour (software), HPCC, JavaFX Script, JModelica.org, KM programming language, Lithe (programming language), LOOM (ontology), Lucid (programming language), Lustre (programming language), Metafont, MetaPost, Miranda (programming language), MXML, Pan (programming language), Prolog, Prolog syntax and semantics, Prova, PTQL, Qi (programming language), QML, Quark Framework, QUILL, Shen (programming language), SIGNAL (programming language), SPARQL, SQL-92, SQL:1999, SQL:2003, SQL:2008, SQL:2011, Subset-equational language, Synchronized Multimedia Integration Language, Web Ontology Language, XProc, XSLT. Excerpt: SQL ( "S-Q-L";) (Structured Query Language ) is a special-purpose programming language designed for managing data held in a relational database management systems (RDBMS). Originally based upon relational algebra and tuple relational calculus, SQL consists of a data definition language and a data manipulation language. The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control. Although SQL is often described as, and to a great extent is, a declarative language (4GL), it also includes procedural elements. SQL was one of the first commercial languages for Edgar F. Codd's relational model, as described in his influential 1970 paper "A Relational Model of Data for Large Shared Data Banks". Despite not adhering to the relational model as described by Codd, it became the most widely used database language. SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standards (ISO) in 1987. Since then, the standard has been enhanced several times with added features. But code is not completely portable among different database systems, which can lead to vendor lock-in. The different makers do not perfectly follow the standard, they add extensions, and the standard is sometimes ambiguous. SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce in the early 1970s. This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasi-relational database management system, System R, which a group at IBM San Jose Research Laboratory had developed during the 1970s. The acronym SEQUEL was later changed to SQL because "SEQUEL" was a trademark of the UK-based Hawker Siddeley aircraft company. In the late 1970s, Relational Software, Inc. (now Oracle Corporation) saw the potential of the concepts described by Codd, Chamberlin, and Boyce and developed th

Informations sur le produit

Titre: Declarative programming languages
Éditeur:
Code EAN: 9781156438329
ISBN: 978-1-156-43832-9
Format: Couverture cartonnée
Editeur: Books LLC, Reference Series
Genre: Informatique
nombre de pages: 84
Poids: 182g
Taille: H246mm x B189mm x T4mm
Année: 2013