Hi Winfried.

>we often send updates to customers and have the problem that
>some tables were expanded with new fields. How can I progammaticly
>compare two tabels against new fields and then, when the old tabele
>miss one or more fields, do a modify struct within a programm.

As Larry suggested (thanks, Larry!), Stonefield Database Toolkit (SDT) will handle this for you. It's available from ProLib Software GmbH in Germany (www.prolib.de). Unfortunately, their Web site only lists our FoxPro 2.x framework, but you can check www.stonefield.com for details on SDT.

Doug