QUEL query languages is a historical query language created in 1976. QUEL is a relational database query language, based on tuple relational calculus, with some similarities to SQL. It was created as a part of the Ingres DBMS effort at University of California, Berkeley, based on Codd's earlier suggested but not implemented Data Sub-Language ALPHA. QUEL was used for a short time in most products based on the freely available Ingres source code, most notably in an implementation called POSTQUEL supported by POSTGRES. Read more on Wikipedia...

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  • QUEL query languages ranks in the top 50% of languages
  • the QUEL query languages wikipedia page
  • QUEL query languages first appeared in 1976
  • See also: sql
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Example code from the web:

range of E is EMPLOYEE
retrieve into W
(COMP = E.Salary / (E.Age - 18))
where E.Name = "Jones"

Example code from Wikipedia:

retrieve (a=count(y.i by y.d where y.str = "ii*" or y.str = "foo"),b=max(count(y.i by y.d)))

Last updated November 6th, 2019