phpVMS

Hey everybody,
I'd like to integrate phpVMS into my wesite, however it says it requires MySQL, which appears to be a rather expensive product.
Can somebody confirm that it absolutley needs MySQL, the payware product, to work?
I'd like to integrate phpVMS into my wesite, however it says it requires MySQL, which appears to be a rather expensive product.
Can somebody confirm that it absolutley needs MySQL, the payware product, to work?