Spend 30-45 minutes working through this tutorial. You have to do the work, but you will experience a database design process that can be used with any database. Get your tables and relationships designed to meet your business facts.
Also, spend a few minutes watching some short free videos from BA-Experts on Business Analysis.
Here are a few:
https://www.youtube.com/watch?v=uIHB...PK0Jx&index=26
https://www.youtube.com/watch?v=bPcy...PK0Jx&index=33
https://www.youtube.com/watch?v=oLVl...VPK0Jx&index=5
Good luck.