> On Jan 31, 2019, at 12:46 PM, Pepe TD Vo <pepevo@yahoo.com> wrote:
>
> ...from the document show roll back with transaction_id. I don't see the transaction_id.
I have no idea what you're talking about here. Rollback is a command that works within the current transaction.
And of course, you need to know when the first error occurred.