I answered this question in as much detail as possible in the blog post I wrote at the time (which was also linked in the above comment) https://dev.ghost.org/d

I answered this question in as much detail as possible in the blog post I wrote at the time (which was also linked in the above comment) https://dev.ghost.org/dropping-support-for-postgresql/ https://dev.ghost.org/dropping-support-for-postgresql/