Hi! > Got to a blevel of 20. There is rumored to be hard limit > of 23 levels on a b*tree index as implemented by Oracle, > maybe I will give that a try later. I remember a max height of 22 from 8i Data Server Internals materials, but I can check it when I get home in few weeks. Of course testing it out would be the best way to find the limit. Tanel.