Earlier quoted context omitted.
MySQL is as popular as it is because EVERYONE is using it. Which means that all of the really hard scalability and management problems have already been solved every which way. And all available for free by companies you know and trust e.g. Facebook, Twitter. If I were looking to become a DBA today I wouldn't bother with PostgreSQL at all. I would learn all of the NoSQL databases because that is where all of the inte…
dba and nosql? sounds strange. note that scalability is not everything.
And you're right. Scalability isn't everything hence the popularity of NoSQL which are far more developer friendly than current SQL databases. And in most companies it is the development teams that dictate technology choices.