When I read the title of this node I assumed you wanted to control versions of source code stored in a database - in other words the stored procedures, views, triggers, etc etc, but at least one response seems to assume you want to version control the DATA stored in your database. A third interpretation could be that you want to version control the table structures, indexes etc (the schema). Perhaps you want all of this, and more?

All of which is to say that your question is vague, and that answers will tend to be helpful only in direct proportion.