Código SQL [-] select RDB$DESCRIPTION from RDB$RELATION_FIELDS where RDB$RELATION_NAME = 'Nombre_tabla' and RDB$FIELD_NAME = 'Nombre_Campo'
select RDB$DESCRIPTION from RDB$RELATION_FIELDS where RDB$RELATION_NAME = 'Nombre_tabla' and RDB$FIELD_NAME = 'Nombre_Campo'