Rel

Open source true relational database and query language conforming to the D standard by Date & Darwen (or Tutorial D).

Version

• 1.0.12 Beta (2014-10-26)

Prerequisites

• Java version 5 or higher, SDK version highly recommended but not necessary if you do not intend to create new Java types or operators.

Note that while the 1.0.12 Beta will work on Java 5 (and 6), the 1.0.12 Release will when it comes out only work on Java 7 or higher.

Links

• Rel homepage
• Interview with Chris J. Date on the relational model - D and Rel get a mention.