Tom, ofcourse I've analyzed it. visible is true for about 0.3% of all rows. testing table contains about 300,000-500,000 rows. On Fri, 10 Mar 2006 12:09:19 -0500 Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Evgeny Gridasov <eugrid@xxxxxxxxxxxx> writes: > > Recently I've discovered an interesting thing (Postgres version 8.1.3): > > Have you ANALYZEd the table since loading it? What fraction of the rows > have visible = true? -- Evgeny Gridasov Software Engineer I-Free, Russia