This article fails to mention the licensing problems that caused issues with MySQL, only that it was "a change in ownership". PostgreSQL has they kind of licens

This article fails to mention the licensing problems that caused issues with MySQL, only that it was "a change in ownership". PostgreSQL has they kind of license you want to go with ... a large part of it's historical and future strength(s). To summarize: Don't use non-permissively-licensed database software, otherwise you're screwing yourself down the road.