Sybtcl, a Tcl extension developed by Tom Poindexter, is not part of the core Tcl/Tk package, but can be obtained for free at http://www.nyx.net/˜tpoindex. This chapter covers Version 2.5.

Sybtcl provides access to Sybase, a commercial relational database from Sybase, Inc. Sybtcl makes connecting to databases and manipulating relational data easy and convenient, using the Tcl language. The Sybtcl extension comes with sample applications and works with standard Tcl, Tk, and common extensions, including Extended Tcl.