I'm spoiled by ORM's, but I have no problem using SQL to query the database. What I have trouble with though is creating tables using raw SQL and managing schem

I'm spoiled by ORM's, but I have no problem using SQL to query the database. What I have trouble with though is creating tables using raw SQL and managing schema migrations. Even when using an ORM it seems kind of messy. I'd love a tutorial on how to properly maintain migrations without an ORM.