4GL: Fourth-generation programming language, SAS, ABAP, Harbour, Clarion, Uniface, Visual FoxPro, PowerBuilder, XHarbour, Nomad software / Source: Wikipedia

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 65. Chapters: Fourth-generation programming language, SAS, ABAP, Harbour, Clarion, Uniface, Visual FoxPro, PowerBuilder, XHarbour, Nomad software, R:Base, CorVision, LINC 4GL, PowerHouse, EGL, Clipper, OpenEdge Advanced Business Language, PROIV, FOCUS, FoxPro 2, OpenROAD, MAPPER, Flagship compiler, Application Development Facility, IBM Informix-4GL, SystemBuilder/SB+, SheerPower4GL, XBase++, DataFlex, Forte 4GL, Visual Objects, Visual DataFlex, CyberQuery, MARK IV, Aubit-4GL, Cerner CCL, Thomson Software Products, Ramis Software, Applications-By-Forms, Power foundation classes, BuildProfessional. Excerpt: SAS (pronounced "sass", originally Statistical Analysis System) is an integrated system of software products provided by SAS Institute Inc. that enables programmers to perform: In addition, SAS has many business solutions that enable large-scale software solutions for areas such as IT management, human resource management, financial management, business intelligence, customer relationship management and more. SAS is driven by SAS programs, which define a sequence of operations to be performed on data stored as tables. Although non-programmer graphical user interfaces to SAS exist (such as the SAS Enterprise Guide), these GUIs are most often merely a front-end that automates or facilitates the generation of SAS programs. The functionalities of SAS components are intended to be accessed via application programming interfaces, in the form of statements and procedures. A SAS program has three major parts: SAS Library Engines and Remote Library Services allow access to data stored in external data structures and on remote computer platforms. The DATA step section of a SAS program, like other database-oriented fourth-generation programming languages such as SQL or Focus, assumes a default file structure, and automates the process of i...
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