Perfect Pizza is a pizza delivery shop. They make pizzas only for home delivery. They have recently designed a new database to track their sales. They use the customer's tele- phone number for a Key column in the Customer table, They are interested in households, not individuals, They need the street address and zip code for the delivery, They deliver to only three zip codes 98001, 98002, and 98003. With the zip code, they can fill in city and state information later, though they prefer to do it when they enter a new customer. In tihe Order Detail table, they store the price charged for two re sons: First, it may be different than product price due to 1 and second. it keeps a histort the record discount Product of or the table, special price. it That doesn't allowance way, affect if the they prices change charged the in price pas in sales. Here is the entity relation diagram for the database 1. What do you think would be the appropriate data types for CustomerPhoneKey and CustomerZip? Explain.
Perfect Pizza is a pizza delivery shop. They make pizzas only for home delivery. They have recently designed a new database to track their sales. They use the customer's tele- phone number for a Key column in the Customer table, They are interested in households, not individuals, They need the street address and zip code for the delivery, They deliver to only three zip codes 98001, 98002, and 98003. With the zip code, they can fill in city and state information later, though they prefer to do it when they enter a new customer. In tihe Order Detail table, they store the price charged for two re sons: First, it may be different than product price due to 1 and second. it keeps a histort the record discount Product of or the table, special price. it That doesn't allowance way, affect if the they prices change charged the in price pas in sales. Here is the entity relation diagram for the database 1. What do you think would be the appropriate data types for CustomerPhoneKey and CustomerZip? Explain.
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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Transcribed Image Text:Perfect Pizza is a pizza delivery shop. They
make pizzas
only for home delivery. They have recently
designed a new
database to track their sales. They use the
customer's tele-
phone number for a key column in the Customer
table, They
are interested in households, not individuals,
They need the
street address and zip code for the delivery,
They deliver to
only three zip codes 98001, 98002, and 98003.
With the zip
code, they can fill in city and state information
later, though
they prefer to do it when they enter a new
customer. In tihe
Order Detail table, they store the price charged
for two re
sons: First, it may be different than product price
due to1
and second. it keeps a histort
the record discount Product of or the table,
special price. it That doesn't allowance way,
affect if the they prices change charged the in
price pas in
sales. Here is the entity relation diagram for the
database
1. What do you think would be the appropriate
data types for CustomerPhoneKey and
CustomerZip? Explain.
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