[COLOR=“blue”]Hello everyone,
I am working on a relational algebra questions, and got stock on this one . I How to write a relational algebra that can retrieve the ids of the most expensive shoes from these tables?
Shoes(id, name, size)
Store(name,location, phoneNumber)
Sells(storename, id, price)
I would be very thankful, if you could provide me with your assistance.
Regards,[/COLOR]