1) 2.0.2 is not yet available for download. As soon as it is, you will see it on the download page at DotNetNuke.
2) The MS Access version was created to prove the validity of the DataProvider model. Jet SQL is very limited compared to T-SQL and forced a lot of thought... which resulted in a DataProvider model which should adequately support almost any storage medium (RDBMS, XML, FILE, etc).
It is only with the heart that one can see rightly... what is essential is invisible to the eye.
~ Antoine de Saint-Exupéry