Which query in this relational database (represented by relational diagram) will provide you with the list of 3 customers from Germany who bought most iPhones 11 phones?   Select one: a.   SELECT TOP(3) c.CustomerID, c.CompanyName, Count(od.Quantity) FROM Products p LEFT JOIN [Order Details] od ON p.ProductID = od.ProductID LEFT JOIN Orders o ON od.OrderID = o.OrderID LEFT JOIN Customers c ON o.CustomerID = c.CustomerID WHERE c.Country = 'Germany' AND p.ProductName = 'iPhone 11' GROUP BY c.CustomerID, c.CompanyName ORDER BY Count(od.Quantity) DESC   b.   SELECT TOP(3) c.CompanyName, SUM(od.Quantity) FROM Products p INNER JOIN [Order Details] od ON p.ProductID = od.ProductID INNER JOIN Orders o ON od.OrderID = o.OrderID INNER JOIN Customers c ON o.CustomerID = c.CustomerID WHERE c.Country = 'Germany' AND p.ProductName = 'iPhone 11' GROUP BY c.CustomerID, c.CompanyName ORDER BY SUM(od.Quantity) DESC   c.   SELECT TOP(3) c.CompanyName, p.ProductID, Sum(od.Quantity) FROM Products p LEFT JOIN [Order Details] od ON p.ProductID = od.ProductID LEFT JOIN Orders o ON od.OrderID = o.OrderID LEFT JOIN Customers c ON o.CustomerID = c.CustomerID WHERE c.Country = 'Germany' AND p.ProductName = 'iPhone 11' GROUP BY p.ProductID, p.ProductName ORDER BY Sum(od.Quantity) DESC     d.   SELECT TOP(3) c.CustomerID, c.CompanyName, Count(p.ProductID) FROM Products p RIGHT JOIN [Order Details] od ON p.ProductID = od.ProductID RIGHT JOIN Orders o ON od.OrderID = o.OrderID RIGHT JOIN Customers c ON o.CustomerID = c.CustomerID WHERE p.ProductName = 'iPhone 11' AND c.Country = 'Germany' GROUP BY c.CustomerID, c.CompanyName, p.ProductID ORDER BY Count(p.ProductID) DESC

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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Which query in this relational database (represented by relational diagram) will provide you with the list of 3 customers from Germany who bought most iPhones 11 phones?

 

Select one:
a.  
SELECT TOP(3) c.CustomerID, c.CompanyName, Count(od.Quantity)
FROM Products p
LEFT JOIN [Order Details] od ON p.ProductID = od.ProductID
LEFT JOIN Orders o ON od.OrderID = o.OrderID
LEFT JOIN Customers c ON o.CustomerID = c.CustomerID
WHERE c.Country = 'Germany' AND p.ProductName = 'iPhone 11'
GROUP BY c.CustomerID, c.CompanyName
ORDER BY Count(od.Quantity) DESC
 
b.  
SELECT TOP(3) c.CompanyName, SUM(od.Quantity)
FROM Products p
INNER JOIN [Order Details] od ON p.ProductID = od.ProductID
INNER JOIN Orders o ON od.OrderID = o.OrderID
INNER JOIN Customers c ON o.CustomerID = c.CustomerID
WHERE c.Country = 'Germany' AND p.ProductName = 'iPhone 11'
GROUP BY c.CustomerID, c.CompanyName
ORDER BY SUM(od.Quantity) DESC
 
c.  
SELECT TOP(3) c.CompanyName, p.ProductID, Sum(od.Quantity)
FROM Products p
LEFT JOIN [Order Details] od ON p.ProductID = od.ProductID
LEFT JOIN Orders o ON od.OrderID = o.OrderID
LEFT JOIN Customers c ON o.CustomerID = c.CustomerID
WHERE c.Country = 'Germany' AND p.ProductName = 'iPhone 11'
GROUP BY p.ProductID, p.ProductName
ORDER BY Sum(od.Quantity) DESC
 
 
d.  
SELECT TOP(3) c.CustomerID, c.CompanyName, Count(p.ProductID)
FROM Products p
RIGHT JOIN [Order Details] od ON p.ProductID = od.ProductID
RIGHT JOIN Orders o ON od.OrderID = o.OrderID
RIGHT JOIN Customers c ON o.CustomerID = c.CustomerID
WHERE p.ProductName = 'iPhone 11' AND c.Country = 'Germany'
GROUP BY c.CustomerID, c.CompanyName, p.ProductID
ORDER BY Count(p.ProductID) DESC
Employees
* EmployeelD
EmployeeTerritories
* EmployeelD
CustomerDemographics
* CustomerTypelD
LastName
* TerritoryID
CustomerDesc
FirstName
Title
TitleOfCourtesy
Territories
BirthDate
CustomerCustomerDemo
* TerritorylD
HireDate
* CustomerlD
TerritoryDescription
* CustomerTypelD
Address
RegionID
City
Region
PostalCode
Region
* RegionID
Country
Customers
HomePhone
* CustomerlD
Extension
RegionDescription
CompanyName
Photo
ContactName
Notes
ContactTitle
ReportsTo
Address
PhotoPath
City
Region
PostalCode
Country
Phone
Order Details
Fax
* OrderlD
Products
* ProductID
* ProductiD
UnitPrice
ProductName
Quantity
SupplierlD
Discount
CategoryID
QuantityPerUnit
Orders
UnitPrice
* OrderlD
UnitsinStock
CustomerlD
UnitsOnOrder
EmployeelD
Categories
* CategorylD
Reorderlevel
OrderDate
Discontinued
Required Date
CategoryName
Shipped Date
Description
ShipVia
Picture
Freight
ShipName
Suppliers
ShipAddress
-O Y SupplierlD
ShipCity
CompanyName
ShipRegion
ContactName
ShipPostalCode
ContactTitle
Shippers
* ShipperID
ShipCountry
Address
City
CompanyName
Region
Phone
PostalCode
Country
Phone
Fax
HomePage
Transcribed Image Text:Employees * EmployeelD EmployeeTerritories * EmployeelD CustomerDemographics * CustomerTypelD LastName * TerritoryID CustomerDesc FirstName Title TitleOfCourtesy Territories BirthDate CustomerCustomerDemo * TerritorylD HireDate * CustomerlD TerritoryDescription * CustomerTypelD Address RegionID City Region PostalCode Region * RegionID Country Customers HomePhone * CustomerlD Extension RegionDescription CompanyName Photo ContactName Notes ContactTitle ReportsTo Address PhotoPath City Region PostalCode Country Phone Order Details Fax * OrderlD Products * ProductID * ProductiD UnitPrice ProductName Quantity SupplierlD Discount CategoryID QuantityPerUnit Orders UnitPrice * OrderlD UnitsinStock CustomerlD UnitsOnOrder EmployeelD Categories * CategorylD Reorderlevel OrderDate Discontinued Required Date CategoryName Shipped Date Description ShipVia Picture Freight ShipName Suppliers ShipAddress -O Y SupplierlD ShipCity CompanyName ShipRegion ContactName ShipPostalCode ContactTitle Shippers * ShipperID ShipCountry Address City CompanyName Region Phone PostalCode Country Phone Fax HomePage
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