The backup support is a bit dated:
In the text it says "Check the "Add IF NOT EXISTS" check box", but that box is not checked in the example. Direct link:
And there are more options in the newer versions of phpMyAdmin (18.104.22.168). Under Options there is one more check box called Comments (checked by default). Are Comments good for WP db backups?
Here is a screen dump of phpMyAdmin 22.214.171.124
And it would be great if you added how to deselect all the spam plugin data in the databse backup for the simplified backup solution as well.