Guys: I am trying to findout the tempspace usage by Instance level. I think I can get it by joining gv$ sort_segment and sort_usage. Anyone have a ready made script to tell what % of temp space is CONSUMED by each instance.. Thanks -- Best Regards, K Gopalakrishnan Co-Author: Oracle Wait Interface, Oracle Press 2004 http://www.amazon.com/exec/obidos/tg/detail/-/007222729X/