Subject Re: [IB-Architect] RE: Index Selectivity Question (RFC)
Author Marcelo Lopez Ruiz
>Personally, given the current and ever dropping cost of hard disk space
>the selectivity should always be optimized -- i.e. use the new
>structure. The last thing we need to be concerned about is the cost of
>hard disk space -- it is speed that most developers ever care about and
>certainly the key criteria by which an engine is judged.

True. However, one should bear in mind that using more hard disk space
to optimize speed can result in more disk I/O. In a client/server
system, the disk is usually next after the network in performance killing.

Marcelo Lopez Ruiz