You don't need a degree to do anything in this day and age. It helps if you ever want to be in a management position, but then it doesn't really matter all that much what your degree is in... just that you have one. Unless you are a CEO... then it matters.
If you have a mind for structure, organization, the importance of data integrity and the ability to stare at a mostly white, grid type screen for hours and hours on end... then database IT might be right up your alley. Access code is not the same as Oracle, Access makes a whole lot of shortcuts to major pieces of code you are going to need to learn if you want to work with Oracle databases from the backend standpoint.
My suggestion is to take a Oracle class, possibly a beginning SQL code type training course to see if you can follow along and if it clicks with you. If you have a computer at home, go here;
http://www.oracle.com/technology/sof.../xe/index.html
And download the Oracle express edition for whatever OS you have on your machine and see if you can make heads or tails of it. There may be good tutorials out there on the web on how to create a small database so that you can play around in it and teach yourself some coding.
Overall, IT is not a hard field to get around in... but you have to click into it. Some people end up having the ability, and some people never get it.
I hope this helps, and good luck to you.