relational system

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• Relational order theories — A number of independent lines of research depict the universe, including the social organization of living creatures which is of particular interest to humans, as systems, or networks, of relationships. Relational systems, or regimes, are often… …   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

• System — (from Latin systēma , in turn from Greek polytonic|σύστημα systēma) is a set of interacting or interdependent entities, real or abstract, forming an integrated whole. The concept of an integrated whole can also be stated in terms of a system… …   Wikipedia

• Relational Interface System — (RIS) (дословно, система реляционного интерфейса)   разработанное Intergraph Corporation программное обеспечение (ПО) промежуточного слоя для связи клиентского ПО с сервером БД (СУБД). RIS является обобщенным SQL интерфейсом, который… …   Википедия

• System Development Corporation — (SDC), based in Santa Monica, California, was arguably the world s first computer software company.SDC started in 1955 as the systems engineering group for the SAGE air defense ground system at the RAND Corporation. RAND spun off the group in… …   Wikipedia

• System Prevalence — is a simple software architectural pattern that combines system images (snapshots) and transaction journaling to provide speed, performance scalability, transparent persistence and transparent live mirroring of computer system state. In a… …   Wikipedia

• Relational quantum mechanics — This article is intended for those already familiar with quantum mechanics and its attendant interpretational difficulties. Readers who are new to the subject may first want to read the introduction to quantum mechanics. Relational quantum… …   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 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 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 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