Hi Peter.....

I post here a more simple solution, (Thanks HUGO) if someone is interested...

it uses the simple arithmetic fact that

DateDiff (row10,8)  equals  DateDiff (row10,9) + DateDiff (row9,8)

SELECT     a.Usr,...

very very Thanks

i'll try to understand the magic!!!! (i think to take long time :blush

Yes, tha main goal is discovering group ie

For user A

MIN is row 1  2004-03-18 14:44:30.000           A

MAX is row 2  2004-03-18 14:44:31.000           A

make group ga1

MIN...

thanks for response....

if there is someone that use sp_OA with this problem (or similar) please post here

In the meanwhile I have resolved moving all the logic in a script...

Sorry for my delay..

No other connection ....

1) Connection pooling? what see?

2) I've seen that the problem is related with the use of this procedure (GetUrl).

All is working well but, after...