I want to perform insert or update operation in to a oracle table. But the primary key value of the table gets incremented by a sequence. So how to call that sequence during insert operation and not to call the sequence during update operation?. I have found a way for this by calling the sequence inside a trigger which will be used to inserted the value into primary key field, so that i don't need to include that in the mapping. But problem is i am not able to create a new trigger into production environment and i want it to be done using talend