I have a query on a table:- X between k1 and k2 or X < k1 and Y <> k3 where k1, k2, k3 are constants. How would this query work, if I created an index on X and a partial index on X where Y <> k3? Chris -- Chris Velevitch Manager - Sydney Flash Platform Developers Group m: 0415 469 095 www.flashdev.org.au ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend