On Wednesday, 22 August, 2012 22:31, Igor Tandetnik wrote: > Keith Medcalf <kmedc...@dessus.com> wrote: > > Of course, your select simplifies to: > > > > select -round((select avg(close) > > from test2 b > > where b.tkid between a.tkid-26 and a.tkid-13),2) > > from test2 a > No it doesn't. You cannot just subtract numerators of the two fractions > (avg(x) is a fraction of sum(x)/count(x)) when their denominators are > different. 1/2 + 1/3 != 2/5
Of course you are correct. Back to remedial arithmetic I go ... --- () ascii ribbon campaign against html e-mail /\ www.asciiribbon.org _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users