Re: text equation

Chapin wrote:
>4GL or fourth-generation language is designed to be closer to natural
>language than a 3GL language. Languages for accessing databases are often
>described as
>4GLs. A 4GL language statement might look like this:
>
>     EXTRACT ALL CUSTOMERS WHERE "PREVIOUS PURCHASES" TOTAL MORE THAN
$1000
>
>5GL or fifth-generation language is programming that uses a visual or
>graphical development interface to create source language that is usually
>compiled with a 3GL
>or 4GL language compiler. Microsoft, Borland, IBM, and other companies
make
>5GL visual programming products for developing applications in Java, for
>example.
>Visual programming allows you to easily envision object-oriented class
>hierarchies and drag icons to assemble program components. Microbrew
AppWare
>and
>IBM's VisualAge for Java are examples of 5GL "languages." "

Interesting definitions.  I've always understood 4GL to mean
things like application generators and 5GL to mean AI.

Perhaps this just supports my assertion that the term "nth
generation language" is simply obsolete.

Cheers!  Hans

Hans Boldt, ILE RPG Development, IBM Toronto Lab, boldt@ca.ibm.com


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