Multiple Dataload, DTP, Dublicate Keys

Hi specialists,
following scenario:
Some master-data (let's say for 0material) is loaded multiple times (let's say 3 times) to the BW via a Full-InfoPackage.
Then a Delta-DTP is started to forward the (latest) records from the PSA to the master-data-table.
I expeced the DTP to be clever enough to find the lastest record for each key in order to write only that record to the master-data-table. But instead I experienced, that the DTP crashes because it finds "Dublicate keys" (of course it does - because there're 3 times the same records because of the multiple InfoPackage execution).
Could you comment/clearify that please?
How do you handle such cases?

In DTP delta is request based.
So it wil load all the three requests in the infopackage.
And hence because of that will find a duplicate entry.
You need to chk the duplicate entry option in the DTP. Then it wont fail.
So best practice is use full infopackage and after that Delta DTP in process chain.
So after each run of infopackage that request is loaded using a delta DTP.

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