Extractors:
Extractors are used to retrieve data in the SAP source system (i.e. ECC in our case), which can fill the extract structure of a data source with the data from the SAP source system(i.e. ECC).The extractor may be able to supply more fields than the existing extract structure.
Extractors are used to extract data from a source system (i.e. ECC) and transfer it to BI system or BW system. They are also used for direct access to the source data from the BI system or BW system. SAP has provided standard extractors for purpose of extracting data. But in some situations these standard extractors won’t completely meet our business requirements. In such cases we need to enhance standard extractors. For example in some transaction a custom field has been added to meet our requirement. Since this is a custom field it will not be present in standard extractor. Now we need to include this field in extractor we will have to enhance the standard extractor.
Extractors use the DataSource defined in SAP for the data extraction.
