>> select fieldA, fieldB from table1 >> where (fieldA starting with 'bd' >> or fieldA starting with 'bi') >> and fieldA between 'bd' and 'bj') >> order by fieldA asc, fieldC asc >> >> Thanks, will try that out and report back. >> I started to use the union instead of the OR when we >> were still on Interbase and the difference in speed then was enormous. We >> then >> moved to Firebird and the difference was still there. >> Note that we are still on Firebird 1.5 if that makes a difference. > > Could be, because the V2 series offers a lot of improvements in the > optimizer area. > > If possible, I would seriously try that with Firebird 2.5.
... needless to say, after migrating the database with a backup/restore cycle to pump the ODS to the newest version. -- With regards, Thomas Steinmaurer http://www.upscene.com/
