Learn data modeling fundamentals so you can build a reliable, stable and accurate analytical framework. As self-service analytics and data experimentation have become more common, these skills have become a necessity. https://senturus.com/resources/analyst-alert-data-modeling-is-a-required-skill/ Senturus, a business analytics consulting firm, has a resource library with hundreds of free live and recorded webinars, blog posts, demos and unbiased product reviews available on our website at: http://www.senturus.com/senturus-resources/.

1. DATA MODELING 101
Now Required for Visual Analytics Tools

2. • Introductions
• What do we mean by data modeling?
• Data modeling fundamentals
• How BI tools exploit data models
• Is this the same thing as data prep?
• Why is this more important now?
• Senturus overview
• Additional resources
Agenda
©2019 Senturus, Inc. All rights reserved. 2

3. ©2019 Senturus, Inc. All rights reserved. 3
Presenter
Albert Valdez, III
Vice-President of Learning Solutions
Senturus, Inc.

4. Hundreds of Free Resources
©2019 Senturus, Inc. All rights reserved. 4
www.senturus.com/resources/

5. This slide deck is from the webinar:
Analyst Alert: Data Modeling is a Required Skill
To view the FREE video recording and download this
deck, go to:
https://senturus.com/resources/analyst-alert-data-
modeling-is-a-required-skill/
Hear the Recording
©2019 Senturus, Inc. All rights reserved. 5

6. DATA MODELING
THE BASICS

7. What is this?
• Entity
Relationship
Diagram (ERD)
• Describes the
logical model of
our data
Fundamentals of Data Modeling
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8. What’s in a database?
Fundamentals of Data Modeling
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9. What’s in a table?
Fundamentals of Data Modeling
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10. • The relational database
• Relationships are also
known as joins
Fundamentals of Data Modeling
10©2019 Senturus, Inc. All rights reserved.

11. • Breaking complex systems of data into smaller pieces is
the most efficient way to store and retrieve data (in most
cases)
• Even relatively simple systems require entity
relationships to be defined:
• Without the relationships, we have trouble
Fundamentals of Data Modeling
11©2019 Senturus, Inc. All rights reserved.

12. SELECT
"ORDER_HEADER".“ORDER_METHOD" AS “Order method type",
"ORDER_DETAILS"."PRODUCT_NUMBER" AS "Product number",
"ORDER_DETAILS"."QUANTITY" AS "Quantity",
"ORDER_DETAILS"."UNIT_SALE_PRICE" AS "Unit sale price",
"ORDER_DETAILS"."QUANTITY" * "ORDER_DETAILS"."UNIT_SALE_PRICE" AS "Revenue"
FROM
"GOSALES"."ORDER_HEADER" "ORDER_HEADER“,
"GOSALES"."ORDER_DETAILS" "ORDER_DETAILS"
WHERE
"ORDER_HEADER"."ORDER_NUMBER" = "ORDER_DETAILS"."ORDER_NUMBER"
Fundamentals of Data Modeling
12©2019 Senturus, Inc. All rights reserved.

13. • Over joining objects can also have a negative impact
• One key to remember: you only need one join path
between all objects
Fundamentals of Data Modeling
13©2019 Senturus, Inc. All rights reserved.

14. Free First Lesson on Joins
14
Inner vs. outer join
©2019 Senturus, Inc. All rights reserved.

15. • Certain tools also offer control of additional
join behaviors
– From IBM Cognos data modules:
• Remember:
– Join behavior is driven by business
requirements!
Joining Data Sources – Other Considerations
15©2019 Senturus, Inc. All rights reserved.

16. The second fundamental is controlling how measures, facts
or numbers are treated
Fundamentals of Data Modeling
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17. Hear the Recording
17©2019 Senturus, Inc. All rights reserved.
To view the FREE video recording and download this deck,
go to:
https://senturus.com/resources/analyst-alert-data-
modeling-is-a-required-skill/
The Senturus comprehensive library of recorded webinars,
demos, whitepapers, presentations and case studies is
available on our website at:
http://www.senturus.com/resources/

18. DATA MODELING
THE RISKS

19. • Who’s in control?
• Which model is correct?
• Are we doing it right?
• What are the best practices?
• What is the impact on our business if we get it wrong?
• AAAAAAAAAAAAAAHHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!!!!!
Risks of Data Modeling
19©2019 Senturus, Inc. All rights reserved.

20. These concepts do intersect, but data prep usually refers
to the following activities:
• Data cleansing, transformations, binning/grouping,
enhancement and yes:
– Data integration
Data Modeling vs. Data Prep
20©2019 Senturus, Inc. All rights reserved.

21. • BI is ubiquitous
• Role of IT has changed
• More data
• More data
• More data
Data Modeling: Why Now?
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22. Data Modeling: Why Now?
22©2019 Senturus, Inc. All rights reserved.

23. • Mentoring
– Customized individual or small group learning on
Tableau, Power BI and Cognos
– https://senturus.com/training/custom-training/
• BI Concierge
– Access to an entire team of BI experts to fill in a
needed
– https://senturus.com/bi-concierge-service/
Data Modeling Assistance & More
©2019 Senturus, Inc. All rights reserved. 23

24. Hear the Recording
24©2019 Senturus, Inc. All rights reserved.
To view the FREE video recording and download this deck,
go to:
https://senturus.com/resources/analyst-alert-data-
modeling-is-a-required-skill/
The Senturus comprehensive library of recorded webinars,
demos, whitepapers, presentations and case studies is
available on our website at:
http://www.senturus.com/resources/

25. Business Analytics Consultants
WHO WE ARE

26. Decisions & Actions
©2019 Senturus, Inc. All rights reserved.
Business Needs
Analysis Ready Data
Bridging the Gap between Data & Decision Making
26

27. • Dashboards, reporting &
visualizations
• Data preparation & modern
data warehousing
• Self-service business analytics
• Salesforce reporting
• Proprietary software to
enable bimodal BI and
platform migrations
Business Analytics Architects
©2019 Senturus, Inc. All rights reserved. 27

28. 1200+ Clients, 2000+ Projects, 18+ Years
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29. ADDITIONAL RESOURCES

30. Upcoming Events
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www.senturus.com/events
30

31. www.senturus.com/senturus-resources/
Free Resources
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32. Training Options
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https://senturus.com/training/
32

33. Thank You!
www.senturus.com
info@senturus.com
888 601 6010
Copyright 2019 by Senturus, Inc.
This entire presentation is copyrighted and may not be
reused or distributed without the written consent of
Senturus, Inc.
33©2019 Senturus, Inc. All rights reserved.