Samples of my work in BI

1. Business Intelligence
Portfolio
Name: Sam Kamara
Email: skamara1@yahoo.com
Phone: 973-472-0003
917-318-7076
Business
Intelligence
1

2. Contents
This portfolio contains examples of my development
skills in the Business Intelligence arena.
Subject Page
• Data Modeling 3
• SQL Programming 5
• SQL Server Integration Services (SSIS) 9
• SQL Server Analysis Services (SSAS) 14
• MDX Programming 21
• SQL Server Reporting Services (SSRS) 24
• Performance Point Server (PPS) 27
• Experience Summary 30
2

3. Data Modeling
3

4. A data model created for a book sales data
warehouse
4

5. SQL Server
T-SQL Programming
5

6. This query returns a list of books where there are less than
ten copies and more than 50 reservations.
SELECT ti.title_no,
ti.title,
rs.isbn,
COUNT(*) as total_reservations
FROM Title ti
JOIN item itm ON ti.title_no = itm.title_no
JOIN reservation rs ON rs.isbn = itm.isbn
WHERE 11 > (SELECT count(cp.copy_no)
FROM copy cp
WHERE cp.isbn = itm.isbn)
AND itm.isbn IN (SELECT DISTINCT rs1.isbn
FROM reservation rs1
WHERE 50 < (SELECT COUNT(*)
FROM Reservation rs2
WHERE rs1.isbn = s2.isbn))
GROUP BY ti.title_no, ti.title, rs.isbn
ORDER BY ti.title_no
6

7. Script to load Date Dimension data into an Analysis Services
staging database table.
(Results on next page)
declare @startDate DateTime,
@EndDate datetime
set @StartDate = '1-1-2006'
set @EndDate = '12-31-2010'
while @StartDate <= @EndDate
begin
insert into DimDates (ActualDate, WeekEndDate, MonthDescr, QuarterDescr, Year,
MonthKey, QuarterKey, ShortWeekEnd, ShortActualDate )
values (@StartDate,
@StartDate + (7 - datepart(dw,@StartDate)), -- assumes a Sunday to Saturday business week
datename(m,@StartDate) + ' ' + cast(year(@StartDate) as varchar(4)) , -- "March 2006"
'Q' + cast(datepart(qq,@StartDate) as varchar(1)) + ' ' + cast(year(@StartDate) as varchar(4)) , -- "Q3 2006"
Year(@StartDate) , -- “2006”
cast(year(@StartDate) as varchar(4)) + '-' +
case when datepart(m,@StartDate) < 10 then '0' else '' end +
cast(datepart(m,@StartDate) as varchar(2)) , -- "2006-12“ or "2006-01"
cast(year(@StartDate) as varchar(4)) + '-' +
cast(datepart(qq,@StartDate) as varchar(1)), -- "2006-1" for key for Q1 2006
'',''
)
set @StartDate = @StartDate + 1
end
update DimDates set ShortWeekEnd = cast(WeekEndDate as varchar(11))
update DimDates set ShortActualDate = cast(ActualDate as varchar(11))
7
GO

8. Sampling of results of Date Dimension data load.
8

9. SQL Server
Integration Services (SSIS)
9

10. ETL process which imports multiple CSV files containing Job Time Sheets and
loads them into a staging database. A status email is sent upon completion,
indicating job statistics.
10

11. Data flow task for the Job Time Sheets package processes through a
single CSV file doing multiple lookups to ensure database integrity.
It logs any rows that error out for review and correction.
11

12. VB.Net script used in previous package to keep a
running total of the rows processed and the rows that
contained errors.
12

13. ETL Master Package which runs all ETL packages and then runs database
maintenance tasks. Email is sent out upon completion with job stats.
13

14. SQL Server
Analysis Services (SSAS)
14

15. Developed an SSAS OLAP Cube for a fictitious national
construction company, All Works Corp.
15

16. Browse View of the All Works Cube data.
16

17. Dimension Hierarchy structures in the All Works Cube.
17

18. Definitions of Calculated Members.
18

19. Definition of Key Performance Indicator (KPI).
19

20. KPI Exported to an Excel Pivot
20

21. MDX Programming
21

22. Query which returns Overhead Totals by Category for 2 Quarters, and the
percent change between the two.
22

23. Query which returns all Projects and the top three employees who worked the
most hours.
23

24. SQL Server
Reporting Services (SSRS)
24

25. Report with drop down parameters showing top regions and
products for a given date range.
MDX Query used to generate this report
25

26. Pie Chart Report of Dollar Sales Percentage by
Region for a given Category
26

27. Performance Point Server 2007
(PPS)
27

28. KPI Scorecard created in PPS showing KPI Status and
Trending of Growth % and Returns %.
28

29. KPI Scorecard with Hot Link (clicking Sales Goal on left brings up
the graph on the right).
29

30. Experience Summary
• 10 years experience in IT
• Report Development, Data Analysis, Requirements Gathering
• Database Development – Oracle & SQL Server
• Queries, Stored Procedures, Index’s, Triggers, Optimization
• MS Business Intelligence
• SQL Server 2005
• Integration Services (SSIS)
• Analysis Services (SSAS)
• MDX Programming
• Reporting Services (SSRS)
• Excel & Excel Services
• Performance Point Server 2007 (PPS)
30