> Did anybody liked writing data migration? Yes, I like it. And you know what? My databases have lots of checks in the schema. This way I know, that I get corr

> Did anybody liked writing data migration? Yes, I like it. And you know what? My databases have lots of checks in the schema. This way I know, that I get correct data when I query the database. In MongoDB I'm not sure. I can throw there anything, and get anything. It's just a normal GIGO queue. And the migrations are fine. You just need to know the tools. I observed huge programmers' aversion to learn SQL (however they don't complain when they need to learn HQL).