Is there a version control system for database structure changes?

Question

I often run into the following problem.

I work on some changes to a project that require new tables or columns in the database. I make the database modifications and

Answer 1

If you're using SQL Server it would be hard to beat Data Dude (aka the Database Edition of Visual Studio). Once you get the hang of it, doing a schema compare between your source controlled version of the database and the version in production is a breeze. And with a click you can generate your diff DDL.

There's an instructional video on MSDN that's very helpful.

I know about DBMS_METADATA and Toad, but if someone could come up with a Data Dude for Oracle then life would be really sweet.