Real-time Programming Language (RPL) is a compiled database programming language used on CMC/
Microdata Microdata can mean:
* Microdata (statistics), a statistical term for individual response data in surveys and censuses
* Microdata (HTML), a specification for semantic markup in HTML
* Microdata Corporation
Microdata Corporation was an American ...
/
McDonnell Douglas
McDonnell Douglas was a major American aerospace manufacturing corporation and defense contractor, formed by the merger of McDonnell Aircraft and the Douglas Aircraft Company in 1967. Between then and its own merger with Boeing in 1997, it produ ...
REALITY
databases
In computing, a database is an organized collection of data stored and accessed electronically. Small databases can be stored on a file system, while large databases are hosted on computer clusters or cloud storage. The design of databases spa ...
, 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
The Plessey Company plc was a British electronics, defence and telecommunications company. It originated in 1917, growing and diversifying into electronics. It expanded after World War II by acquisition of companies and formed overseas compani ...
and
GEC-Plessey Telecommunications limited in
Liverpool
Liverpool is a city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the 10th largest English district by population and its metropolitan area is the fifth largest in the United Kingdom, with a popul ...
and also the
Trifid suite of manufacturing software.
Sources
RPL 1.3 Reference Manual (PDF)"Software House Puts Emphasis on Nitty-Gritty", 10 Sep 1979
Programming languages
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