Real-time Programming Language

Real-time Programming Language (RPL) is a compiled database programming language used on CMC/Microdata/McDonnell Douglas REALITY databases, derived and expanded from the PROC procedure language, with much extra functionality added. It was originally developed under the name "PORC" by John Timmons and Paul Desjardins in about 1975. "PORC" was then further developed by Tim Holland under the employ of George Ridgway's company Systems Management, Inc. (SMI) in Chicago. A number of large scale manufacturing applications were developed in RPL, including that which was in use at Plessey and GEC-Plessey Telecommunications limited in Liverpool and also the Trifid suite of manufacturing software.

This article is about the database programming language. For the programming language used in some HP handheld calculators, see RPL (programming language). For the programming language for the Commodore PET/CBM computers, see Reverse Polish Language.

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gollark: A good compromise leaves everyone *happy*, but sometimes isn't possible.
gollark: If you just allocated the vote *randomly*, that would satisfy neither group, and is bad.
gollark: Actually, it's the opposite.
gollark: Just because both sides don't like something doesn't make it good.
gollark: You just get politicians focusing on a small subset of states which have lots of EC votes and are not always going to be a majority for one party.
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