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The language was called PROGRESS or Progress 4GL up until version 9, but in 2006, PSC changed the name to OpenEdge Advanced Business Language (OpenEdge ABL), in order to overcome a presumed industry perception that 4GLs were less capable than other languages.
The development of the 4GL was influenced by several factors, with the hardware and operating system constraints having a large weight. When the 4GL was first introduced, a disparate mix of hardware and operating systems mandated custom application development support that was specific to the system in order to ensure sales.
The suite included applications-by-forms (ABF), an early 4GL computer programming language. It provided an ASCII form painter, which automatically bound form fields to a database using ABF, a programming language, with embedded SQL , simplifying the task of making a " CRUD " application for textual data.
An interactive environment in which any 4GL statement may be typed and immediately processed (comparable to interactive tools like PHP or Perl) Relational database features, supporting lookup tables and the other elements of a normalized relational database; Powerful set-at-a-time operations under the control of simple imperative commands
QAD Inc. is a software company that provides enterprise resource planning (ERP) software and related enterprise software to manufacturing companies. The company has customers in over 100 countries around the world.
Progress Software Corporation is an American public company that produces software for creating and deploying business applications. Founded in Burlington, Massachusetts with offices in 16 countries, the company posted revenues of $531.3 million (USD) in 2021 and employs approximately 2100 people.
The templates (from which the code is generated) are provided in source form and developers are free to create their own templates. Many templates have been written by various developers: some are offered as commercial add-ons, and some are free. Three main Clarion products exist: Professional Edition, Enterprise Edition, and .NET.
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