Is it possible to retrieve a primary key on tracking data extracts (sent, open, click, etc)? I would assume there is a key somewhere on SFDC MC side that identifies a unique record in their tracking database, but I don't see it when I perform a data extract.
This makes it really hard for us to ensure consistent, high quality data so it would be ideal if we could have a PK on each row. Wondering if anyone else has come across this and has a solution?
Cheers
