Twitter, facebook, and bitly analytics

im working on a project that collects analytics from twitter, facebook, and bitly API. I was wondering what was the best type of data base i should be using for this to be ef开发者_如何学Cficient. Mysql? nosql? mongodb? i'm open to anything. Will be doing this in rails framework.

It's question which will have subjective answers. My answer would be always MySql