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QUESTION 4 – DISTRIBUTED QUERY PROCESSING Implement the query below and explain how the processing of display the eBayExpress price display ? SELECT c.Name, p.Title, sc.Quantity, p.eBayExpressPrice, s.Name FROM ShoppingCart sc, Product p, Customer c, Seller s WHERE sc.CustomerID = c.CustomerID AND sc.ItemNumber = p.ItemNumber AND sc.OrderStatus = 'active' AND c.Country = 'USA' AND

QUESTION 4 – DISTRIBUTED QUERY PROCESSING Implement the query below and explain how the processing of display the eBayExpress price display ? SELECT c.Name, p.Title, sc.Quantity, p.eBayExpressPrice, s.Name FROM ShoppingCart sc, Product p, Customer c, Seller s WHERE sc.CustomerID = c.CustomerID AND sc.ItemNumber = p.ItemNumber AND sc.OrderStatus = 'active' AND c.Country = 'USA' AND

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter13: Business Intelligence And Data Warehouses
Section: Chapter Questions
Problem 12P: Using the answer to Problem 10 as your base, what command would you need to generate the same output...
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QUESTION 4 – DISTRIBUTED QUERY PROCESSING
Implement the query below and explain how the processing of display the
eBayExpress price display ?
SELECT c.Name, p.Title, sc.Quantity,
p.eBayExpressPrice, s.Name
FROM ShoppingCart sc, Product p,
Customer c, Seller s
WHERE sc.CustomerID =
c.CustomerID AND
sc.ItemNumber =
p.ItemNumber AND
sc.OrderStatus = 'active'
AND c.Country =
'USA' AND
p.SellerID =
s.SellerID
1. Show the operator tree without optimization.
2. Show the optimized operator tree.
3. Please refer to the optimized operation tree (after localization and reduction)
Show the distributed query plan .

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