> This is something you cannot ‘iterate on One can use views and modification triggers to split the public interface and a private implementation of a db. Whe

> This is something you cannot ‘iterate on One can use views and modification triggers to split the public interface and a private implementation of a db. Whether it's feasible or worthwhile - it depends of course... It doesn't help with migrating the production dbs though and it's because of this I generally agree with your sentiment.