Even where Source Control isn't being used by developers, it is still possible to automate the process of tracking the changes being made to a database and put those into Source Control, in order to track what changed and when. You can even get an email alert when it happens. With suitable scripting, you can even do it if you don't have direct access to the live database. Grant shows how easy this is with SQL Compare.
The term DDL designates Data Definition Language, which implies an action involving creating data structures. In the context of Analysis Services Execute DDL Task, this is a bit of a misnomer because its capabilities are much more diverse, extending to such areas as backups, restores, deletions, modifications, or processing. This is accomplished by employing Analysis Services Scripting Language (ASSL).
DDL triggers enable us to audit DDL changes but there are a few missing events, design decisions and installation complications.