http://technet.microsoft.com/en-us/library/cc917696.aspx

point 6 - vardecimal

Marcin

First of all thank you for your opinions

At the moment we are using sql server 2005.

I know that in sql server 2005 SP2 there is data compression for decimal/numeric but...

I need to give a good re-think to my design

your query is very good it does the job well with selecting clients from groups the trigger that I...

Was the client informed about the date and time of the session??(probably letter will be send to inform the client ,not email)

Did the client attended the class??

Was the client late(exact...