SQL Homework Question

I'm just going to put this....
I have no idea what SQL is and I'm in my 5th week of my into to Sql course.
My teacher is terrible, and I havent learned a thing.
sooo yah...
answer this question if you like...you'll be doing a good deed for me ;)



Here's the question:

Name 2 examples of digital or electronic databases, one which is a relational database, and one that isn’t.

For each of your examples:
a.
Describe the thing or topics that the database is about.
b.
Give the location of the database e.g. provide the URL for databases available on the Web.
c.
Explain in detail why the database is or isn’t a relational database.


I really don't expect any replies, but hey its worth a try!