CONVERSION : Legacy System To Flat File.
INTERFACE : Flat File to SAP System.
When you transfer legacy data into the R/3 System, you need to ensure that it is in the SAP format.There are several ways of doing this:
- Converting the data in the legacy system has the advantage that the user is familiar with the programming language that it uses.
- Converting the data in the R/3 System using ABAP has the advantage of automatic type conversion. You can use the structure definitions of the ABAP Dictionary directly.
- Converting the data with Excel. You can use this method for simple and complex conversions for flat structures.
- You use interfaces defined by SAP for the standard transfer. The legacy data must be delivered in a suitable format to supply these interfaces. The interface descriptions are defined in the R/3 System and the transfer method is developed and formulated according to these descriptions.
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