A Tcl extension which provides operators from Relational Algebra and works with Metakit data files:

http://www.vlerq.org/vlerq/ratcl

See also:
* Paper [http://www.vlerq.org/vlerq/346], presented at the [Thirteenth Annual Tcl/Tk Conference]
* [Ratcl-like API with sqlite backend]

[RLH] This is very cool stuff!

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