> > > I'm leaning toward the implementation of end-biased histograms. There is > > > an introductory reference in the IEEE Data Engineering Bulletin, september > > > 1995 (available on microsoft research site). > > > > Sounds interesting. Can you give us an exact URL? > > http://www.research.microsoft.com/research/db/debull/default.htm > > BTW, you can get access to SIGMOD CDs with lots of goodies for a very low > price (at least in 1999 it was a bargain), check out ACM membership for > sigmod. Thanks. I will look into that. SIGMOD has some real valuable stuff. -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026