Question: Language: SQL / Database Management The following four data tables describe the available items, orders, users, and deliveries for a certain restaurants online delivery service:

Language: SQL / Database Management The following four data tables describe the available items, orders, users, and deliveries for a certain restaurants online delivery service:

Question: List all foreign keys in the database and the keys they reference, and then identify any compound keys in the database.

items

code description price
HAMBGR Hamburger 4.29
CHZBGR Cheeseburger 4.99
FRYSML Small fries 1.99
FRYLRG Large fries 2.99
FNCOLA Coke 1.49

orders

order_id item quantity
0001 CHZBGR 2
0001 FRYLRG 1
0002 HAMBGR 1
0002 FNCOLA 1
0003 CHZBGR 3

users

login name address
john123@geemail.com John 123 Number St
alice89@h0tmail.edu Alice 88 Infinity Rd
jdepp@pirates.com Johnny 21 Jump St
kat22@yah000.net Kathryn 65 Leonin Ln

deliveries

order_id user delivered
0001 alice89@h0tmail.edu Yes
0002 john123@geemail.com Yes
0003 alice89@h0tmail.edu No

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