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Relational Data System

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  • Multics Relational Data Store — was the first commercial relational database management system. It was sold for the first time in 1976. Categories: Proprietary database management systemsDatabase software stubs …   Wikipedia

  • Data integrity — in its broadest meaning refers to the trustworthiness of system resources over their entire life cycle. In more analytic terms, it is the representational faithfulness of information to the true state of the object that the information represents …   Wikipedia

  • relational database — UK US noun [C] ► IT a computer database that allows the user to find and organize data in many different ways: »a relational database system/program …   Financial and business terms

  • 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 database management system — A Relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as introduced by E. F. Codd. Most popular commercial and open source databases currently in use are based on the… …   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

  • System Architect (software) — Infobox Software caption = System Architect with BPMN and Network Diagrams Open and Browsed name = System Architect developer = Telelogic, An IBM Company latest release version = Version 11.1 with SP1 latest release date = Released Sept 25 2008… …   Wikipedia

  • relational database — an electronic database comprising multiple files of related information, usu. stored in tables of rows (records) and columns (fields), and allowing a link to be established between separate files that have a matching field, as a column of invoice …   Universalium

  • Data Base — Base de données Pour les articles homonymes, voir base, BD, BDD et DB. Schéma de la base de données relationnelle …   Wikipédia en Français

  • Data warehouse — Overview In computing, a data warehouse (DW) is a database used for reporting and analysis. The data stored in the warehouse is uploaded from the operational systems. The data may pass through an operational data store for additional operations… …   Wikipedia

  • Data integration — involves combining data residing in different sources and providing users with a unified view of these data.[1] This process becomes significant in a variety of situations, which include both commercial (when two similar companies need to merge… …   Wikipedia

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