1. Data Warehouse Project Implementation
Presented by:
Mike Ellis Vinh Ngo

2. Type of Business Texas HVAC/R wholesaler 30 branch locations
Sell predominantly to licensed contractors, mostly on store accounts
16,000 line item products
700 active stocking
manufacturers

3. Dimension Tables Product Store Time Customer ProductID (PK)
ProductName
Category
Subcategory
Store
StoreID (PK)
StoreName
StoreRegion
StoreState
StoreCity
StoreFootage
Time
TimeID(PK)
TimeDate
DateText
DayOfWeek
WeekDay
DayOfMonth
MonthNum
MonthText
Quarter
Season
Year
Customer
CustomerID (PK)
CompanyName
LicenseType
Size

4. Fact Table SalesFact ProductID (PK) TimeID (PK) StoreID (PK)
CustomerID (PK)
Quantity
PricePerUnit
CostPerUnit

5. Time Hierarchy Season Values Time Dimension Table TimeID(PK) TimeDate
DateText
DayOfWeek
WeekDay
DayOfMonth
MonthNum
MonthText
Quarter
Season
Year
Season Values
Winter
December
January
February
Spring
March
April
May
Summer
June
July
August
Fall
September
October
November

6. Time Hierarchy Clarification
One dimension, two hierarchies
Date.Calendar
Year
Quarter
Month
Day
Date.Seasonal
Year
Season
Month
Day of the Week

7. Cube Implementation

8. Measures by Customer Category

9. Measures by Customer Category (Specific Product)

10. Measures by License Type
Within Branch & Region

11. Measures and License Type by Branch Within Region

12. Calendar Hierarchy Expanded for Measures Within Product Hierarchy

13. Seasonal Hierarchy Expanded for Measures Within Product Hierarchy

14. Specific Case I

15. Specific Case II

16. Data Mining Does not work for this data
Microsoft Decision Trees only works with discrete data
Data is a simplified subset of actual data
Data is randomly generated

17. Any Questions?
Near Bennington, VT 7/22/06