Amen. Tools that let you work with version A and B of a db schema would be great. Then you could update DB independently of code release. Its one of the thing

Amen. Tools that let you work with version A and B of a db schema would be great. Then you could update DB independently of code release. Its one of the things that I fear the most (and prevents me from loving RMDBs) is the thought of doing a big DB upgrade then having to roll back because of software not performing as expected.