First of all : ** what ** database user are you using ??? As we know (showed in http://asktom.oracle.com/pls/asktom/...:1844531724208 to db version 8i, but iirc valid to 9i also), triggers DO NOT FIRE to database users with DBA role... Another point, how is your _system_trig_enabled parameters ???

Regards,

Chiappa