'''[http://equi4.com/vlerq/raintro.html%|%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 **
[http://equi4.com/pub/vq/ratcl.kit%|%ratcl.kit] ([http://www.equi4.com/pub/sk/ratcl.kit%|%alternate]):
** See Also **
[http://web.archive.org/web/20070708204204/http://www.vlerq.org/vqd/358%|%pivot tables in ratcl], [JCW] ,2006-08:
[http://web.archive.org/web/20070214050359/http://www.vlerq.org/vqd/368%|%Wrapping sqlite and oratcl query result sets]:
[Ratcl-like API with sqlite backend]:
** Documentation **
[http://equi4.com/vlerq/raintro.html%|%Introduction to Ratcl]:
[http://equi4.com/pub/vq/exra/%|%official reference]:
[http://equi4.com/pub/docs/tcl2005e/ratcl.pdf%|%Relational algebra for Tcl: introducing Ratcl and Rasql] ,[Jean-Claude Wippler]:
[http://equi4.com/pub/docs/tcl2005e/ratcl-pres.pdf%|%Ratcl and Rasql], by [Jean-Claude Wippler]: a presentation
[https://groups.google.com/d/msg/vlerq/7cpvI7uSKIY/Vz76Llg5Wf0J%|%Ratcl example (sort of)] ,[JCW] ,[comp.lang.tcl] ,2008-05-08:
[http://www.vlerq.org/vlerq/346%|%Vlerq + Ratcl = Easy Data Management] ([http://www.tcl.tk/community/tcl2006/papers/Jean-Claude_Whippler/Vlerq++2006.pdf%|%alternate]) ,[JCW] , [http://www.vlerq.org/vlerq/346], 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
[http://www.equi4.com/pub/sk/ratcl.kit]. The ChangeLog for this starkit is at
[http://www.equi4.com/cgi-bin/cvsweb/ratcl.vfs/ChangeLog?rev=HEAD].
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]):
[http://www.equi4.com/pub/etc/ratk2.png]
<> Metakit | Persistence | Mathematics