I use source control for all DDL commands to be issued. Haven't found that it actually helps with anything, but it might some day. I think it makes the other devs and such feel more comfortable, gives them a sort of warm fuzzy feeling that they are "doing it right".

I'm a firm believer in what could be called "service packs" for the database. All DDL scripts and any related DML scripts (to populate lookup tables and such) get put into a single script that contains error handling, commenting, lists the author(s) and the purpose of the changes, and can be run repeatedly without harming the database or crashing the script. If stored and run sequentially, starting with the original "create database" script, they should return a database to any point-in-time you want, in terms of code and structure (not data, of course).

Storing those in Source Safe makes the devs comfortable. And, since they need to be kept somewhere, it might as well be in a source control system.

That's what I use source control for. Could just as easily store the scripts as varchar(max) objects in a database. Doesn't matter much to me.