SUBQUERIES
Exercises
Create a
list of customers located in the same city as a supplier, showing company name,
city, and country (try with a subquery and check with a join).
Find all
freight charges that are greater than average and list along with the shipper's
name (find the average first, as a check).
How many
shipments has each shipper made at charges greater than average?
Which suppliers do not sell dairy products?