My gut reaction was the the change-tracking tag was more about tracking changes to the data than changes to the DB structure and code.
A glance through the questions with that tag seems to indicate that most people who have used the tag would agree with me - but there are other questions that are more about version control than tracking changes to data.
The tag has no current usage guidance.
Does it make more sense to set the usage to "Questions about tracking changes to data in a database", and to remove the tag from questions that don't match?
Or, should the usage be "Questions about tracking changes, either to the data in the database, or to the database structure and code itself", which would match the current usage?