BTW, you can get all valid collation names for WIN1252 charset this way:
select c1.RDB$COLLATION_NAME
from RDB$COLLATIONS c1
where c1.RDB$CHARACTER_SET_ID = (
select c2.RDB$CHARACTER_SET_ID
from RDB$COLLATIONS c2
where c2.RDB$COLLATION_NAME = 'WIN1252'
)

Regards,
Tom

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Tomas Michalik
ProCA, s. r. o.
V Luzich 818, Praha 4
Czech Republic

e-mail: michalik@...
tel: +420 2 67283446