Please answer the following in SQL: Find all pairs of customers who have purchased the exact same combination of cookie flavors. For example, customers with ID 1 and 10 have each purchased at least one Marzipan cookie and neither customer has purchased any other flavor of cookie. Report each pair of customers just once, sort by the numerically lower customer ID. The MySQL-specific GROUP_CONCAT and JSON_ARRAYAGG functions are not permitted. customers dataset CId: unique identifier of the customer LastName: last name of the customer FirstName: first name of the customer goods dataset GId: unique identifier of the baked good Flavor: flavor/type of the good (e.g., "chocolate", "lemon") Food: category of the good (e.g., "cake", "tart") Price: price (in dollars) items dataset Receipt : receipt number Ordinal : position of the purchased item on the receipts. (i.e., first purchased item, second purchased item, etc...) Item : identifier of the item purchased (see goods.Id) reciepts dataset RNumber : unique identifier of the receiipt SaleDate : date of the purchase. Customer : id of the customer (see customers.Id)
Please answer the following in SQL: Find all pairs of customers who have purchased the exact same combination of cookie flavors. For example, customers with ID 1 and 10 have each purchased at least one Marzipan cookie and neither customer has purchased any other flavor of cookie. Report each pair of customers just once, sort by the numerically lower customer ID. The MySQL-specific GROUP_CONCAT and JSON_ARRAYAGG functions are not permitted. customers dataset CId: unique identifier of the customer LastName: last name of the customer FirstName: first name of the customer goods dataset GId: unique identifier of the baked good Flavor: flavor/type of the good (e.g., "chocolate", "lemon") Food: category of the good (e.g., "cake", "tart") Price: price (in dollars) items dataset Receipt : receipt number Ordinal : position of the purchased item on the receipts. (i.e., first purchased item, second purchased item, etc...) Item : identifier of the item purchased (see goods.Id) reciepts dataset RNumber : unique identifier of the receiipt SaleDate : date of the purchase. Customer : id of the customer (see customers.Id)
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Please answer the following in SQL:
Find all pairs of customers who have purchased the exact same combination of cookie flavors. For example, customers with ID 1 and 10 have each purchased at least one Marzipan cookie and neither customer has purchased any other flavor of cookie. Report each pair of customers just once, sort by the numerically lower customer ID. The MySQL-specific GROUP_CONCAT and JSON_ARRAYAGG functions are not permitted.
customers dataset
CId: unique identifier of the customer
LastName: last name of the customer
FirstName: first name of the customer
LastName: last name of the customer
FirstName: first name of the customer
goods dataset
GId: unique identifier of the baked good
Flavor: flavor/type of the good (e.g., "chocolate", "lemon")
Flavor: flavor/type of the good (e.g., "chocolate", "lemon")
Food: category of the good (e.g., "cake", "tart")
Price: price (in dollars)
Price: price (in dollars)
items dataset
Receipt : receipt number
Ordinal : position of the purchased item on the
receipts. (i.e., first purchased item,
second purchased item, etc...)
Item : identifier of the item purchased (see goods.Id)
Ordinal : position of the purchased item on the
receipts. (i.e., first purchased item,
second purchased item, etc...)
Item : identifier of the item purchased (see goods.Id)
reciepts dataset
RNumber : unique identifier of the receiipt
SaleDate : date of the purchase.
Customer : id of the customer (see customers.Id)
SaleDate : date of the purchase.
Customer : id of the customer (see customers.Id)
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