http://www.microsoft.com/sql/editions/sqlmobile/default.mspx

>I wouldn't use the upsizing wizard...it makes far too many bad guesses about data types. You need this to be as efficient as possible. It's not so bad on a wired network connection, but getting data onto PDA's over wi-fi links or Bluetooth is notoriously slow and unreliable. A USB cable isn't too bad.
>
>You mention SQLServerCE, but this product is defunct?
>
>Simon
>WorldSpreads