> <t...@iblogmanager.com> wrote: >>> select First 200 skip 0 .... from MyTable where c = XY and d = zw and A >>> > x and b< Z ... ORDERBY C, D >>> >>> what is the best : >> >> Take an eye on the execution plan, I/O stats in the monitoring table or >> via the trace api. >> >> Btw, you know that with the usage of FIRST above, you probably won't get > >> your expected result? >> >> You probably want to do: >> >> select first 200 skip 0 ... from ( >> select ... from order by c, d >> ) > > Are you sure? I would assume the ordering would be applied first, and only > then would the first clause be applied.
I'm sure now that I was wrong. ;-) I stand corrected. -- With regards, Thomas Steinmaurer (^TS^) Firebird Technology Evangelist http://www.upscene.com/ http://www.firebirdsql.org/en/firebird-foundation/
