IBM System R is a database system built as a research project at IBM San Jose Research (now IBM Almaden Research Center) in the 1970s. The R programming language, sometimes described as GNU S, is a programming language and software environment for statistical computing and A Computer Database is a structured collection of records or data that is stored in a computer system International Business Machines Corporation abbreviated IBM and nicknamed "Big Blue", is a multinational Computer Technology This article is about the Decade 1970-1979 For the Year 1970 see 1970. System R was a seminal project: it was the first implementation of Structured Query Language (SQL), which has since become the standard relational data query language. Query languages are Computer languages used to make queries into Databases and Information systems Broadly query languages can be classified It was also the first system to demonstrate that a relational database management system could provide good transaction processing performance. A Relational database management system (RDBMS is a Database management system (DBMS that is based on the Relational model as introduced by E For other meanings see the disambiguation page at Transaction. Design decisions in System R, as well as some fundamental algorithm choices (such as the dynamic programming algorithm used in query optimization), influenced many later relational systems. In Mathematics, Computing, Linguistics and related subjects an algorithm is a sequence of finite instructions often used for Calculation In Mathematics and Computer science, dynamic programming is a method of solving problems exhibiting the properties of Overlapping subproblems and Query optimization is a function of many Relational database management systems in which multiple Query plans for satisfying a query are examined and a good Query

System R's first customer was Pratt & Whitney in 1977. Pratt & Whitney is an American Aircraft engine manufacturer of products widely used in both civil and military aircraft. Also 1977 (album by Ash. Year 1977 ( MCMLXXVII) was a Common year starting on Saturday (link displays [1]

See also

• SQL
• System/38

External links

• "A History and Evaluation of System R"
• System R website

This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL. The System/38 was a Midrange computer Server Platform manufactured and sold by the IBM Corporation The Free On-line Dictionary of Computing ( FOLDOC) is an online searchable encyclopedic Dictionary of Computing subjects The GNU Free Documentation License ( GNU FDL or simply GFDL) is a Copyleft License for free documentation designed by the Free Software