Hi Guru, I would like to have similar links you have. At begining I think you search those links to each question (because that is wath I do[^]) , but now I think you allready have your own library. Without compromise, would you like to share those links? One razon: I learn. Of course I extend this invitation to all members. Luis Martin Moderator SQL-Server-Performance.com All postings are provided â€œAS ISâ€ with no warranties for accuracy.