[g00se]

Well the first thing you need to do is to stick to one database. They are NOT the same, so no-one can advise on a moving target. I would advise you to use MySql since it's widely documented and used with Java frequently. There's plenty of info available. And yes, you SHOULD use the Connector J driver. Place the driver as i recommended earlier, OR you can add it as an external jar. Browse to where you dowloaded it to do that