I cannot answer your question, Mariano, but have you tried ES_ES_NOCASE
from www.brookstonesystems.com (or maybe they are only for Fb 1.0?).

Set

At 19:30 16.07.2003 -0300, you wrote:

>why a case-insensitive collate like ES_ES or EN_US works for SORT and not
>for WHERE?
>(on fb1.5rc4 ss windows/linux)