TclRAL: Tcl Relational Algebra Library

最近剛釋出了新版：
ANNOUNCE TclRAL Version 0.11.7 

網頁上的介紹：

TclRAL is a "C" based extention of the TCL language that is an implementation of the Relational Algebra. From a programmers point of view, the library is a Tcl package that introduces two new native data types and a set of commands that operate on them. The new data types are:

• Tuple
• Relation

也是很有趣的套件。