http://msdn.microsoft.com/library/techart/adojump.htm

>Where can I read your white paper??
>
>TIA
>
>
>
>>Hi Jim..
>>
>>It's called dsn-less because the connection string does not reference a DSN.
>>
>>The file dsn is created so that you have a graphical way of putting all the pieces together. It you read my white paper, I go through the process of using the UDL-builder to create OLE-DB Connection Strings.
>>
>>HTH..