'rake db:migrate' – a command known to any Ruby developer. But how many times did we step on the same rake? In his article "Lesser Known PostgreSQL Features", @be_haki describes 18 Postgres features many people don't know. I enjoyed that article, and it inspired me to write about "anti-features" – things that everyone should avoid when working in probably the riskiest field of application development – so-called "schema migrations". This is one of my favorite topics in the field of rela...