MariaDB is a fork in MySQL, so maybe if you have two different database servers you could have a connection for each, but I don't think you could have both access the same data.
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.