Advantages and Disadvantages of XML over CSV

Hi friends,
We have a requirement in our implimentation project. We are implimenting HR module. The company is using SABA for Education and Certification.
We are implimenting Education and certification in BW and the data for BW will be comming from SABA.
We had a discussion on thursday about the integration of SABA to BW. We can do it through DBconnect or by using XI and for this there is time and cost involved.
The techical team has come with some idea where there will give the data in the form of XML or in CSV format.
I would like to know the advantages and disadvantages of each and also please consider the performance point in view.
I would also like to know about the things that need to be considered if we process the data in multiple files.
Please give me inputs and the answers will be appreciated with valuable points.
Regards
Raghav Reddy

Hi,
my advice is to go for CSV anytime compared to XML.
XML is first made available to the BW system via SOAP ( Simple Object Acess protocol) interface. Next it is updated into the required data targets as before , Via a data source for the myself source system.
SOAP = XML+HTTP.
XML cannot be used for mass data. It is only to load small data into SAP BW on a single document level.
BW provides flat file interface so, there is no all these hassles in case of CSV. go for CSV

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