WordPress Domain Changer helps administrator to move his blog into another domain without knowing the SQL query. Just 1 click install plugin and activate , you can use this tools easily.
The feature of this tools is as follows :
Move domain name e.g : http://olddomainname.com into http://newdomainname.com easily.
Move subdirectories e.g : http://mydomainname.com/blog into http://mydomainname.com/wordpress easily.