Figure 2. The relationship diagram of the NorthWind database. a. Use the ERDPlus tool to design a STAR schema of the data warehouse containing one fact table and four dimension tables. Your dimension tables should include one location dimension and one time dimension. Each dimension table must have a key attribute and at least one other attribute. Attach a screenshot of ERDPlus. b. Give an example of an OLAP analysis involving location and time dimensions.

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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Figure 2. The relationship diagram of the NorthWind database.
a. Use the ERDPlus tool to design a STAR schema of the data warehouse containing one
fact table and four dimension tables. Your dimension tables should include one location
dimension and one time dimension. Each dimension table must have a key attribute and
at least one other attribute. Attach a screenshot of ERDPlus.
b. Give an example of an OLAP analysis involving location and time dimensions.
81
8 8L
Transcribed Image Text:Suppliers * SupplierlD Products Order Details Orders Customers * CustomerID V ProductID 9 OrderlD V ProductID * OrderlD CompanyName ProductName 00 CustomeriD EmployeelD OrderDate CompanyName ContactName SupplierID CategoryID QuantityPerUnit UnitPrice UnitPrice ContactName ContactTitle Quantity ContactTitle Address Discount RequiredDate Address City Region City ShippedDate ShipVia Unitsinstock 00 Region PostalCode UnitsOnOrder PostalCode Freight ShipName ShipAddress ShipCity ShipRegion ShipPostalCode ShipCountry Employees V EmployeelD Country Reorderlevel Country Phone Discontinued Phone Fax LastName Fax HomePage FirstName Title TitleOfCourtesy Shippers V ShipperID Birthdate Categories * CategorylD HireDate CompanyName Address Phone CategoryName Description City Region Picture PostalCode Country HomePhone Extension Photo Notes Reportsto Figure 2. The relationship diagram of the NorthWind database. a. Use the ERDPlus tool to design a STAR schema of the data warehouse containing one fact table and four dimension tables. Your dimension tables should include one location dimension and one time dimension. Each dimension table must have a key attribute and at least one other attribute. Attach a screenshot of ERDPlus. b. Give an example of an OLAP analysis involving location and time dimensions. 81 8 8L
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