I've built that. This works on small, well synchronized teams, on small databases. Once you have to merge a branch, you start fighting over version ids or ren

I've built that. This works on small, well synchronized teams, on small databases. Once you have to merge a branch, you start fighting over version ids or renumbering like it's BASIC. And remember that any long-lived dev session is effectively a branch. Heaven forbid you have environmental conditionals to apply.