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SQL (Structured Query Language)

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Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.

SQL, pronounced "see-quel," was originally developed by IBM in the mid-1970s as a database query language to operate on the VM/370 and MVS/370 operating systems. It was later commercialized by Oracle Corporation, after which many other companies jumped on the bandwagon. Today, SQL is viewed as an interface to access data on many different types of database systems, including mainframes, midrange systems, UNIX systems, and network servers.

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