c0259621, it's all very well doing a course in a field where the jobs may be, but you've also got to do something you enjoy. Technologies move on, so there's no way of telling what will be "THE database" or "THE programming language" in a year or two.
Maybe you should go for a course which allows you to gain a general understanding of a number of areas in the IT field. You can then specialise in your dissertation and go from there.