We all knew that oracle mysql branch will go closed source and this is about that old prediction with the fact that now it really happens heroku is on postgresq

We all knew that oracle mysql branch will go closed source and this is about that old prediction with the fact that now it really happens heroku is on postgresql engineyard is on postgresql can you spot some pattern here ? people started to leave mysql it's true that at a slower pace http://www.engineyard.com/blog/2012/postgresql-is-our-new-default/ http://www.engineyard.com/blog/2012/postgresql-is-our-new-de... the most popular ? hmm i think the sqlite is more popular with more deploys at least on mobiles : android,ios ...