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Progress 4GL is a 4GL programming language developed by Progress Software Corporation. It uses an imperative style to do database access. Instead of using embedded SQL expressions, Progress 4GL uses "FOR EACH" expressions to query a database or single "FIND" expressions. Next to database access expressions there is a variety of expressions to define and control forms. The language contains IF..THEN..ELSE statements and DO...WHILE statements for flow control.
Recent developments The 10.1A release of Progress offers basic support for object oriented constructs and with the advent of 10.1B the language has been renamed to the Progress ABL (Advanced Business Language) to better describe the actual usage of the 4GL language. 10.1B also introduces a new User Interface for Progress applications. Based on .NET, this UI will be the interface of choice (on Windows) for years to come. | ||||||||
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