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SAP BW DataSource
A DataSource is the object containing all the metadata to bring data from an external system to SAP BW. SAP delivers a list of standard DataSources to bring data from SAP ERP to BW. Other types of DataSources can bring data in from flat files, external databases, …The data loads are launched by means of an InfoPackage, which triggers the necessary programs in BW and SAP/other source systems to transfer the data to BW.