need help with this for my database class, showing steps will be helpful. Iabel the stuff please

Exercise: students borrow books Students can not borrow more than 2 books. Design the schemas for this data base. (Constraints, integrity constraints, intra/Inter relation) Primary keys. Foreign keys, List 4 queries , 2 of them involving two or more relations Create instances of this databases. Show how the query will work on the instance database