John, > But doesn't an index only sample one column at a time, whereas with > page-based sampling, you can sample all of the columns at once.
Hmmm. Yeah, we're not currently doing that though. Another good idea ... -- --Josh Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly