Can You Introduce a Not and All That's Not Ballid?

andy atkinson: There's a value in having your data base mechanisms be idiomatic. A, don't also comment that there's a notinal constraint is much more idiomatic than a check constraint with a valid false that checks for notinals. I would venture to say we could spend at least a couple more episodes just on the question of safe migrations. And i wanted to again shout out andrew cane, lucas fiddle, and some other folks that are big in the poscres and ribbyon rails community. Awsom will put all that stuff in the show notes.