Question $5$

$[$Ch $5]$ Considering the following tables, is a foreign key.

Pizza Table

Restaurant Table

Order Table

PID Name Cost $($$$)$ RID Location Opened

OID

RID

PID

$123$ Cheese $6$

SEA Seattle $1995,1570$ SEA

$123$

$234$ Pepperoni $7$

NYC New York $2000$

$1571$ SEA

$567$

$567$ Mushroom $8$

$\frac{?}{\text{C}\text{H}\text{I}}$

Chicago $2000$

$1572$

NYC

$567$

Pizza Table: PID

Restaurant Table: Location

Pizza Table: Name

Order Table: PID