Database location on win32

Having setup a initial test site of the win32 distribution of RT I now
want to put the database in a more practical location than its default
i.e at C:\Program Files\OurInternet\Common\mysql\data\rt3
How do I specify the location that will get used? Is there a simple way
to move my test database or do I need to do an export and import from
mysql?

Neville