Just to let you know that Syno's also support PostgreSQL, if your application cant be ported to MySQL maybe it might run on Postgres. In theory if your app. is ANSI SQL compliant it should port across.
* Model: RS-810+ * Firmware: 4.1-2567
* Model: DS-209+ * Firmware: 4.1-2567
* Modification(s) DS-209+ - Upgraded RAM 1024 MB.(+Optware +OpenVPN 2.1)
* Drives Seagate ST31500341AS + ST2000DL003.
* Network: 1000xBASE T, Full duplex. [Bonded on 810+]
* Services enabled: Most of them!