Thanks x the reply. Do you please recommend me some tutorial or literature about that groups?

Thanks

hi; I just tried tu use your code to a similar problem I have, but I recieved the next error:

Msg 102, Level 15, State 1, Line 19

Incorrect syntax near 'Microsoft'.

Msg...

thanks, for not only I've to register the max value, also who has it.

how I can delete this topic?