Focus

FOCUS FOCUS Fourth-generation programming language (4GL) This article is about the software product. For more meanings of the word Focus, see Focus (disambiguation). FOCUS is a fourth-generation programming language (4GL) computer programming language and development environment that is used to build database queries. Produced by Information Builders Inc., it was originally developed for data handling and analysis on the IBM mainframe. Subsequently versions for minicomputers and such as the VAX and other platforms[1] were implemented.[2][3] FOCUS was later extended to personal computers and (in 1997) to the World Wide Web: the WebFOCUS product. History Information Builders's FOCUS product began as an alternate product to Mathematica's RAMIS, the first Fourth-generation programming language (4GL). National CSS (NCSS), a Time-sharing vendor, licensed rights…

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