Rel (DBMS)

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]

Original author(s)Dave Voorhis
Stable release
3.014 / September 25, 2019; 20 months ago (2019-09-25)
Repository Edit this at Wikidata
Written inJava
Operating systemLinux, Windows, macOS
LicenseApache License 2.0

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. pp. 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.