I'd probably change this a bit by saying that it's not a problem to have the schema in the code (it's got to be somewhere, preferably version controlled), it's

I'd probably change this a bit by saying that it's not a problem to have the schema in the code (it's got to be somewhere, preferably version controlled), it's a problem when your schema reflects (or even worse, is) your business logic. edit: s/you're/your/