Subject {Addendum}Re: [firebird-support] Updating uncle and cousin tables in a trigger using UPDATE
Author Raymond Kennington
SQL Server's Transact SQL allows:

UPDATE
SET
FROM T1,T2,T3
WHERE T1.T2ID = T2.ID

so that tables some reltational distance can be updated in the single
statement.

--
Raymond Kennington
Programming Solutions
TeamW2W (InfoPower)