On Thu, Nov 29, 2007 at 03:23:10PM -0500, Matthew T. O'Connor wrote: > Sorry in advance if this is a stupid question, but how is this better than > two index, one on "a" and one on "b"? I supposed there could be a space > savings but beyond that?
You could index on both columns simultaneously without a bitmap index scan. /* Steinar */ -- Homepage: http://www.sesse.net/ ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
