This should sound familiar: One of the great lies about NoSQL databases is that they’re simple. Simplicity done wrong makes things a lot harder and more complicated to develop and operate. Programmers and operations staff end up reimplementing (badly) things the database should do. Nobody argued this line of reasoning more vigorously than when trying to defend relational databases, especially during the darkest years (ca. 2009-2010), when NoSQL still meant NO SQL DAMMIT, all sorts of NoSQL databases were sprouting, and most of them were massively overhyped.