Grocery Store Data Model Barry Williams Principal Consultant June 15th. 2008 Customers Addresses PR customer_id Pk address_id customer_name line_1 line_2 DatabaseAnswers.org customer_phone customer_email date_became_customer city Suppliers zip_postcode supplier_id other_customer_details state_province_county supplier_address_id country supplier_name other_address_details Calendar contact_name supplier_phone supplier email PK day_date day_number other_details day_of_the_week Products Orders Customer_Addresses Employees product_id FR product_type FR supplier_id order_id M employee_id FR employee_address_id customer_address_id customer_id order_status_code FK order_day_date customer_id FR address_id employee_name product_name product_price date_from date_to employee_phone paid_for_yn other_employee_details product_description order_details other_details NOTES The Ref_Calendar Table could nclude derived fields called wednesday_yn and friday_yn to simplify the logic in checking. But derived fields should not be shown in a Logicai Data Model at this level. Order_Items Deliveries PF delivery_id FR delivery_status_code FR delivered by_employee_id FK order_id PF order_id PF product_id quantity delivery_date_time other_delivery_details 0000
Grocery Store Data Model Barry Williams Principal Consultant June 15th. 2008 Customers Addresses PR customer_id Pk address_id customer_name line_1 line_2 DatabaseAnswers.org customer_phone customer_email date_became_customer city Suppliers zip_postcode supplier_id other_customer_details state_province_county supplier_address_id country supplier_name other_address_details Calendar contact_name supplier_phone supplier email PK day_date day_number other_details day_of_the_week Products Orders Customer_Addresses Employees product_id FR product_type FR supplier_id order_id M employee_id FR employee_address_id customer_address_id customer_id order_status_code FK order_day_date customer_id FR address_id employee_name product_name product_price date_from date_to employee_phone paid_for_yn other_employee_details product_description order_details other_details NOTES The Ref_Calendar Table could nclude derived fields called wednesday_yn and friday_yn to simplify the logic in checking. But derived fields should not be shown in a Logicai Data Model at this level. Order_Items Deliveries PF delivery_id FR delivery_status_code FR delivered by_employee_id FK order_id PF order_id PF product_id quantity delivery_date_time other_delivery_details 0000
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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