Bill Oliver wrote:

> A user has asked for more information about column statistics. He would like to get
>
> - Column's Most Common Value (MCV)

These are a well known statistical values. For example, what you descibe
as MCV is called Mode:

http://en.wikipedia.org/wiki/Mode_(statistics)

This might also be interesting:

http://en.wikipedia.org/wiki/Skewness

--
Milan Babuskov
http://www.flamerobin.org
http://www.guacosoft.com