to change the database password, you would need to change that on the host side.
Also, you would need to edit the Connections/PowerStoreConnection.php file and change the password there.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.