I don't use electronic databases a great deal in my teahcing as I find Excel quite difficult to use. The tools below claim to make the proccess of creating charts from databases much simpler so could be worth a look. Let me know how you get on.
1.
I Charts - The log in was not working the day I tried this tool which was a shame as it looks very good. You create an interactive chart which can be posted elsewhere for others to look at and even comment upon. I have posted an example below for you to try.