* Andrew Sullivan: > Just because I'm one of those statistics true believers, what sort of > information do you think it is possible for the DBA to take into > consideration, when building a hint, that could not in principle be > gathered efficiently by a statistics system?
Some statistics are very hard to gather from a sample, e.g. the number of distinct values in a column. -- Florian Weimer <[EMAIL PROTECTED]> BFK edv-consulting GmbH http://www.bfk.de/ Durlacher Allee 47 tel: +49-721-96201-1 D-76131 Karlsruhe fax: +49-721-96201-99 ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
