Great question — answering as the UphillTech team:
Co-worker developed synchronization process between VFP and MSSQL2008. WCF service which took input directly from VFP. On other project - as far as i remember, when we tried ODBC .NET data adapter, it had problems with encodings and foreign languages. That's why we used COM+, serialization for communication with .NET. But it seems to me you are using PHP (eCommerce=>Drupal=>PHP) so you are in completely different situation. In your case, i would start with checking out if Opera (i guess it's this Opera ) provides built-in export and eCommerce provides built-in import. Mostly because it might be tedious work to sync data manually from 2 apps coded by someone else. Then i would research if...
Full answer by user82062: https://stackoverflow.stackexchange.com/a/2052040 (CC BY-SA 2.5).
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