There a common form of such posts by developers: "I've found database X and I LOVE it, we're migrating all our systems." Then a year later "Things didn't work o

There a common form of such posts by developers: "I've found database X and I LOVE it, we're migrating all our systems." Then a year later "Things didn't work out, here's how we migrated from database X to database Y." Someone should make an index of such blog posts.