Go to the IT department and ask for read-only access to the section of the database you need. Bring your teacher along with you so that the request looks legitimate.
Once you have the database credentials, pulling down the information you need is easy. Once you arrive at this step, come back and we’ll help you set things up.
The reason you would want access to original data (as opposed to building your own database) is so that the information is current. If price changes, change will be reflected automatically.
They will most likely have to join bunch of tables for you, since the data is most likely normalized.