> You donīt have to set up an ODBC-connection for every database you wanīt to use.

That's also true with DBI ... here's an example of a DSN-less connection to MS Access via DBI.

update > if you are a windows programmer that has already used DAO/RDO-objects in other languages you might find that easier/more familiar

good point, that's certainly one reason why someone might prefer the Win32::OLE route.