Published at LXer:
From time to time vendors in the application development space have claimed 5GL (5th generation language) capabilities. If you think about this for a moment you will realise that this can't be true. The idea of GLs is that each is an abstraction of the former, so we had machine code (on which I cut my teeth as a developer); assembler; third generation languages such as COBOL, Java, C++ and so forth; and finally 4GLs (now sometimes referred to as ABLs-advanced business languages-as 4GL seems to be out of fashion).
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