No, you do not need to uninstall other extensions.
The MySQLi server behavior extension works along side the other extensions, it should not conflict with any of them.
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.