Re: Move 4 to 5 or 4 to 7
Posted in 1997
Art S. Kagel — — source: Informix-list mailing list archive (1991-1998)
Alastair Kimbell wrote: > > Hi there > I'm trying to decide wether to upgrade from 4 to 5 or 4 to 7 (SE) > If you get any info I would be most interested. If I find any out I'll > contact you. > What I have found so far is that 7 has a new cost based optimiser that > can > speed up queries : more sophisticated than the old update statistics in > that it takes into > account data distribution etc > 7 will also be supported for longer than 5 (or 4 in my case which is > currently unsupported by informix) > Also moving directly to 7 means you don't have to migrate via 5 & 6 etc. Go with 7.xx. Better performance, new features. Art S. Kagel