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Sam Kamara Business Intelligence Portfolio
 

Sam Kamara Business Intelligence Portfolio

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Samples of my work in BI

Samples of my work in BI

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    Sam Kamara Business Intelligence Portfolio Sam Kamara Business Intelligence Portfolio Presentation Transcript

    • Business Intelligence Portfolio Name: Sam Kamara Email: skamara1@yahoo.com Phone: 973-472-0003 917-318-7076 Business Intelligence 1
    • 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
    • Data Modeling 3
    • A data model created for a book sales data warehouse 4
    • SQL Server T-SQL Programming 5
    • 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
    • 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
    • Sampling of results of Date Dimension data load. 8
    • SQL Server Integration Services (SSIS) 9
    • 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
    • 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
    • VB.Net script used in previous package to keep a running total of the rows processed and the rows that contained errors. 12
    • ETL Master Package which runs all ETL packages and then runs database maintenance tasks. Email is sent out upon completion with job stats. 13
    • SQL Server Analysis Services (SSAS) 14
    • Developed an SSAS OLAP Cube for a fictitious national construction company, All Works Corp. 15
    • Browse View of the All Works Cube data. 16
    • Dimension Hierarchy structures in the All Works Cube. 17
    • Definitions of Calculated Members. 18
    • Definition of Key Performance Indicator (KPI). 19
    • KPI Exported to an Excel Pivot 20
    • MDX Programming 21
    • Query which returns Overhead Totals by Category for 2 Quarters, and the percent change between the two. 22
    • Query which returns all Projects and the top three employees who worked the most hours. 23
    • SQL Server Reporting Services (SSRS) 24
    • Report with drop down parameters showing top regions and products for a given date range. MDX Query used to generate this report 25
    • Pie Chart Report of Dollar Sales Percentage by Region for a given Category 26
    • Performance Point Server 2007 (PPS) 27
    • KPI Scorecard created in PPS showing KPI Status and Trending of Growth % and Returns %. 28
    • KPI Scorecard with Hot Link (clicking Sales Goal on left brings up the graph on the right). 29
    • 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