no, triggers are small programs that are executed when a row is inserted, updated or deleted.
If you define & write them, then you can keep a kind of audit trail yourself.
I'm sure - theoretically - you can dump/read the transaction logs somehow & do search in the internal structures (just like the tools do) , but I have never bothered to do so. because it would require a huge amount of research, diskspace and time.
try reading this, maybe you can figure it out :http://publib.boulder.ibm.com/infocente ... record.htm
I can explain it to you, but i can not understand it for you.