Ratcl

Ratcl , part of the Vlerq project, is a Tcl extension which provides operators from Relational Algebra and works with Metakit data files.

Attributes

website

http://equi4.com/pub/ra/

Download

ratcl.kit (alternate )

See Also

pivot tables in ratcl , JCW ,2006-08

Wrapping sqlite and oratcl query result sets

Ratcl-like API with sqlite backend

Documentation

Introduction to Ratcl

official reference

Relational algebra for Tcl: introducing Ratcl and Rasql ,Jean-Claude Wippler

Ratcl and Rasql , by Jean-Claude Wippler

a presentation

Ratcl example (sort of) ,JCW ,comp.lang.tcl ,2008-05-08

Vlerq + Ratcl = Easy Data Management (alternate ) ,JCW , [L1 ], presented at the Thirteenth Annual Tcl/Tk Conference

Misc

RLH: This is very cool stuff!

2007-02-16: There is a starkit which runs on Windows, Linux, and Mac OS X at [L2 ]. The ChangeLog for this starkit is at [L3 ].

This starkit includes the "Ratk" graphical view browser by Brian Theado. Here is an example with a pivot table (also called a crosstab, see also crosstab a la Relations):