I think there is a problem in Question4 of the second lab, it says to make the column item_id twice. I know the correct column to make because of the relation structures guide, but thought maybe other students might be struggling so I'd mention it here.

There is also a typo on question 9. The question states the table name as 'publisher' when it should be 'publishers'.

Yes, I believe that is the typo. From the db schema given in the case study description, it is stated that: po_items (job_id, po_id, item_id, quantity)

Hi, Thanks for pointing out the two typos. Moodle does not normally allows to correct the typos once the quiz is released. But we will try to fix it. I have updated the description of the lab, just in case we cannot update the text of the original questions. Cheers