> I would like to know what exactly is a hash join or where can I read
> about this.
> Thanks in advance
> sorry for sending to two different groups(I don?t know where to fit this
> question)
See my Internals Presentation at the bottom of the developers web site:
http://developers.postgresql.org
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
