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<H1>fGIS Tcl extension</h1>
It has been said already, that f(GIS) doesn't even try to implement
home-grown database management system. Instead, it uses various
-<A HREF="http://www.neosoft.com/tcl/ftparchive/sorted/databases/">RDBMS
-connectivity extensions</a>, available for Tcl. Unfortunately these
+RDBMS
+connectivity extensions, available for Tcl. Unfortunately these
extensions don't have so unified interface as provided by DBI package
for Perl language. So, it was neccessary to develop additional
abstraction layer <A HREF=TclDBI.html>TclDBI</a> which allows to write
database-related parts of f(GIS) without regard to particular RDBMS
-server behind it.
+server behind it. (recently tdbc extension appeared to fill this gap).
<A NAME="toc_section7"></A><H3>Tools and bricks</H3>
library
<LI><B>Object orientend extension</B> used for developing layers.
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