FIGURE 3-13 Entity clustering for Pine Valley Furniture Company (a) Possible entity clusters (using Microsoft Visio) CUSTOMER CUSTOMER SELLING UNIT SALESPERSON Customer Type National? Regular? Submits Customer Type Serves SALES TERRITORY DOES BUSINESS IN REGULAR CUSTOMER NATIONAL CUSTOMER Account Manager PRODUCT LINE ORDER ITEM SALE Includes VENDOR HITEM PRODUCT ORDER LINE SUPPLIER USES PRODUCED IN Contract Number MATERIAL SUPPLIES RAW MATERIAL. WORK CENTER EMPLOYEE WORKS IN SKILL HAS SKILL Employee Type d) Employee Type "M" "U" UNION EMPLOYEE MANAGEMENT EMPLOYEE MANUFACTURING Supervises

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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Write an SQL query to list the order number and order quantity for all customer orders for which the order quantity is greater than the average order quantity of that product. (Hint: This involves using a correlated subquery.)

FIGURE 3-13 Entity clustering for Pine Valley Furniture Company
(a) Possible entity clusters (using Microsoft Visio)
CUSTOMER
CUSTOMER
SELLING UNIT
SALESPERSON
Customer Type
National?
Regular?
Submits
Customer Type
Serves
SALES TERRITORY
DOES BUSINESS IN
REGULAR CUSTOMER
NATIONAL CUSTOMER
Account Manager
PRODUCT LINE
ORDER
ITEM
SALE
Includes
VENDOR
HITEM
PRODUCT
ORDER LINE
SUPPLIER
USES
PRODUCED IN
Contract Number
MATERIAL SUPPLIES
RAW MATERIAL.
WORK CENTER
EMPLOYEE
WORKS IN
SKILL
HAS SKILL
Employee Type
d) Employee Type
"M"
"U"
UNION EMPLOYEE
MANAGEMENT EMPLOYEE
MANUFACTURING
Supervises
Transcribed Image Text:FIGURE 3-13 Entity clustering for Pine Valley Furniture Company (a) Possible entity clusters (using Microsoft Visio) CUSTOMER CUSTOMER SELLING UNIT SALESPERSON Customer Type National? Regular? Submits Customer Type Serves SALES TERRITORY DOES BUSINESS IN REGULAR CUSTOMER NATIONAL CUSTOMER Account Manager PRODUCT LINE ORDER ITEM SALE Includes VENDOR HITEM PRODUCT ORDER LINE SUPPLIER USES PRODUCED IN Contract Number MATERIAL SUPPLIES RAW MATERIAL. WORK CENTER EMPLOYEE WORKS IN SKILL HAS SKILL Employee Type d) Employee Type "M" "U" UNION EMPLOYEE MANAGEMENT EMPLOYEE MANUFACTURING Supervises
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