ola
ve se isso
SELECT
a.RDB$RELATION_NAME Tabela,
A.RDB$FIELD_NAME NOME_DO_CAMPO
FROM
RDB$RELATION_FIELDS A,
RDB$FIELDS B
WHERE
(B.RDB$FIELD_NAME = A.RDB$FIELD_SOURCE)AND
rdb$Field_scale < 0
ORDER BY
RDB$FIELD_POSITION
ctrl c ctrl v do google
Samuel