Gaetano Mendola wrote: > | Right. My point was that non-full fill is valuable for us only when > | doing clustering, while for Oracle it is a win even in non-cluster cases > | because of the way they update in place. > > Don't you think this will permit also to avoid extra disk seek and cache > invalidation? If you are updating the row (0,1) I think is less expensive > put the new version in (0,2) instead of thousand line far from that point.
It would, but does that outweigh the decreased I/O by having things more densely packed? I would think not. -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org
