1. SSIS Demo Michael A. Fudge, Jr.
IST722 Data Warehousing
SSIS Demo
Michael A. Fudge, Jr.

2. Recall: Kimball Lifecycle
Describes an approach for data warehouse projects

3. SSIS Demo…
Using the Fudgemart Employee Timesheets Dimensional Model from before

4. High-Level Source to Target Map
Fudgemart
STAGE
Employee_timesheets DW
Stage DW
stgFudgemartEmployeeTimesheets
FactEmployeeTimesheets
Employees
Supervisors
stgFudgemartEmployees
DimEmployees
External Sources
stgDate
DimDate
Date Dimension
STAGING Stage_EmployeeTimeSheets.dtsx “Truncate and Load Patten”
LOAD TO DW DW_EmployeeTimesheets.dtsx “Type 1/2 SCD Pattern”

5. The ETL Packages DateDimensionImport.dtsx
Imports the Date Dimension. (One time deal)
One package to go from source to stage to target.
Stage_EmployeeTimesheets.dtsx
Stage Dimension and Fact Data as-is using the truncate and load pattern.
DW_EmployeeTimesheets.dtsx
Transform staged data into the required Dimensions and Facts.
Load with Type 2 or 1 SCD pattern, as to not re-process the same data.
Package.dtsx
Combine steps 1-3 into one package.

6. 1. DateDimensionImport.dtsx
We will walk through how it works.
We’ll skip making it because it’s covered in the lab!

7. 2. Stage_EmployeeTimesheets.dtsx
Staging Process for Truncate and load:
Data Flow – From Source to Stage
Source – Use an SQL Command to match target attributes
Target – Create new staged table and import data as-is.
Include an SQL task to truncate the table before import
Repeat for each Source to Stage 2 1 3
1.1
1.2

8. Demo: Stage Fudgemart Timesheet Data

9. 3. DW_EmployeeTimesheets.dtsx1
Type 2 SCD Processing of Dimensions
Data Flow from Stage To Dimension
Load Data Source from Stage
Transform Data from Source to Match Target
Lookup Surrogate Key Pipeline
Process changes using SCD Type 2
Repeat these steps for each dimension
Steps 1.2 and 1.3 vary based on the dimension
1.1
1.2
1.3
1.3
1.3
1.4

10. Demo: DW Fudgemart Timesheet Data Dimension Processing

11. 3. DW_EmployeeTimesheets.dtsx
Type 1 SCD Processing of Facts.
Data Flow from Stage To Fact
Load Data source from stage
Transform Data from Source to Match Target – Calculate facts.
Lookup Surrogate Key Pipeline
Process changes using SCD Type 2
All steps are required for most fact tables. 2
2.1
2.2
2.3
2.3
2.4

12. 4. Package.dtsx Once package to execute the others.
This package would get scheduled to execute on a routine basis.
Production Changes:
No Date Dimension
Do not stage all data, but stage based on last processed.

13. Demo: Create Main Package

14. SSIS Demo Michael A. Fudge, Jr.
IST722 Data Warehousing
SSIS Demo
Michael A. Fudge, Jr.