Rel (DBMS)

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Original author(s)Dave Voorhis
Stable release
3.012 / April 10, 2018; 7 months ago (2018-04-10)
Written inJava
Operating systemLinux, Windows, Unix, Mac
Typedatabase management system
LicenseApache License

Rel is an open source true relational database management system that implements a significant portion of Chris Date and Hugh Darwen's Tutorial D [1] query language. [2] [3]

Primarily intended for teaching purposes, Rel is written in the Java programming language.


  1. ^ Date, C. J.; Darwen, Hugh (2006). Databases, types and the relational model: the third manifesto (3rd ed.). Reading, MA: Addison-Wesley. p. 572. ISBN 0-321-39942-0. OCLC 70044091.
  2. ^ "An Implementation of Date and Darwen's Tutorial D Database Language". Retrieved September 9, 2015.
  3. ^ "Chris Date and the Relational Model". Retrieved September 9, 2015.