If you want, then you can also go through this link : "How to Sync A Local & Remote WordPress Blog Using Version Control" [http://wp.tutsplus.com/tutorials/how-to-sync-a-local-remote-wordpress-blog-using-version-control/].

For version control tutorial [Mercurial], you can use this link http://hginit.com/

The article How to Sync A Local & Remote WordPress Blog Using Version Control gives advice on how to automate sync between two instances (development, production) of a WordPress blog using Mercurial. Is mentions that for this scenario, Git and Mercurial are very similar.

Step 4 (Synchronizing The Databases) is of interest here.

The database content will be exported to a file that is tracked by the revision control. Each time we pull changes, the database content will be replaced by this file, making our database up-to-date.

Then, it elaborates on conflicts and the scripting part of the job.

There is a version control tutorial in Mercurial out there, if you're not familiar with it.