Master Data-Generic Delta

hello guys
I have some doubts when it comes Generic Extraction of Master Data from a source system(say SAP R3) with possible deltas...
1.I heard from my friend,that while working with Master Data Generic Extraction (involving deltas),we generally do FULL LOADS....itsnot a common practise to do initialisation and then delta update as in the case of Transaction Data...Is that true?
I know that it varies from case to case,but generally speaking,how often do we do these FULL LOADS?
2.Suppose,if I say,I will go the unusual way and choose to do Master Data Deltas exactly like we do with Transaction Data deltas(first initialisation with data transfer then delta updates now and then)....how do we choose if its time stamp or numeric pointer incase of Master Data fields....
suppose,I want to set characteristic 'Location' as delta-field,what do I choose out of numeric pointer,calendar day and time stamp?and why should I choose it?
how about incase of Characteristic 'Customer Phone number'?
Thanks fr ur time
S

Hi ,
In generic delta you can choose only one field as delta option ie whatever changes happens for a record thar field shold get updated only then you will get delta for those records.
Choosing numeric pointer for text fields like location wont help for you. May be phone number you can try as numeric pointer if it is purely a number series which uses new numbers always.
If you are choosing these fields whenever there in chamge in this fields you will get delta. No other change in the same record will be captured
Thanks,
Arun

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