Query Processing Tests
Find products having high sales volumes.
Find elderly customers who purchased large quantities of a given range of products and the month of purchase.
Find elderly customers who purchased large quantities of a given range of products. List the total quantity purchased by customer, product, and month.
4-way join, 2 restrictions
2-way join, 2 restrictions
4-way join, 3 restrictions, aggregation with 3 GROUP BY columns