Full and Delta DTP doubts

There was a ongoing delta load happening between DSO 1 to DSO 2.
I deleted all requests from DSO 2.
And then ran first Full DTP ( DSO 1* to DSO 2) and immediately after full DTP ran Delta DTP ( DSO 1 to *DSO 2).
In Full DTP : There were 10,000 Records added into DSO 2
In delta DTP : there were 2,000 records added into DSO 2
I was bit surprised when I saw some data added in delta since before ( just 5 mins back ) I had ran full DTP therefore my understanding was delta would not bring anything.
By looking at various thread , I came to know that Full DTP get data from Active table and delta DTP get data from change log table.
However what if , if same records present in Active table and change log , so same records will be pick up by Full DTP run and also while delta DTP run , assume target DSO is in addictive mode then in such scenario duplicate record will be added and final result would be diffrent 9( i.e data get double up ).
How do we avoid such situation ?.
Any thoughts ?.
Edited by: Prashant on Aug 12, 2010 2:24 PM

HI,
DTP FULL: if you have 1 request in psa today and your dtp extraction mode is full it will load the data into the target.
                  in the next day you have run the infopackage and you habve got another request wich means in totall you have got
                  2request in psa so what the full dtp does is it will try to load both of them and you will get error saying duplicate records.
DTP DELTA:   it will load only the the fresh request from the source.
howe ever we dont do any initialisation in dtp the full and delta are only the extraction modes of data from the source. and its the infopackage which will fetch the deltas once the intialisation is done.
hope it helps.
Thanks & Regards
krishna.y

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