Progress Openedge and its Advanced Business Language

The 4GL language was the first invention by the founders of Progress Software. They were fed up withe the available 3GL languages. They also added a database and sold their product mostly through so-called Value Added Resellers who integrated Progress in their product. This way Progress didn’t have to spend much in the way of marketing which made them relatively unknown, despite their superior product …

More info on the Progress website:

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8340 Damme