This is the Monster Market database.

1. Add product 13, Broken Mug, with the price -5.00. The database refuses it. Which constraint does the error name?

2. Create a table reviews:

   • id: whole number, the primary key
   • product_id: whole number, required
   • stars: whole number, required, only 1, 2, 3, 4 or 5. Name this rule stars_range.
   • body: text, optional

3. Add these reviews with one INSERT:

   id	product_id	stars	body
   1	7	5	Great stickers
   2	10	0	Arrived broken
   3	1	4	Soft

   Which constraint does the error name?

4. The customer of review 2 chose the lowest score the shop allows. Fix the value and add the three reviews.