There is a great
deal of hype in the market, and sorting the wheat from the chaff is not easy: nor
do I promise a resolution of this, since my view is obviously biased.As many might comment, this is maybe apples
and oranges, with Hana being more comparable to Exadata rather than Exalytics:
but to point you to a few sources on this debate, below are some links -
Compare Oracle Exalytics and SAP HANA
Considering SAP HANA in-memory technology for analytics? ...
Oracle Exalytics is significantly better than SAP HANA ...
Some Thoughts on Potential Exalytics Use-Cases
By Rittman Mead