delete trigger
Started by Aftab Alamabout 20 years ago1 messages
Hello,
I want to create a trigger in PostgresSQL
In trigger, Before inserting the record, if data is already in the table,
the trigger fire the mesaage that data is already there, and after that
trigger ckeck for next insert statement.
Pleae help me in this regard , kindly reply.
Regards,
_____
Aftab Alam