Once you have determined the SAP data structure, you should:
- Determine which fields can be transferred directly from your existing data. There is a direct match between an existing data field and the corresponding SAP data field.
- Check which fields must be converted to adapt the existing data to the requirements of the R/3 System.
Converting data from the old format to SAP format
Your program must format legacy data just as an online user would when typing them in. In particular:
- The data must be character format.
- The data itself must not be longer than its target SAP field.
- If the data is shorter than the target field, you must left-justify it within the SAP field (pad it with blank characters at the right end).
- If the transaction for a field is to keep its initial value, use the
Data Conversion