Analyst Alert: Data Modeling is a Required Skill
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The document discusses the importance of data modeling in visual analytics tools, highlighting its fundamentals and the differences between data modeling and data preparation. It emphasizes the growing need for data modeling skills due to the increasing volume of data and changing roles in business intelligence. Additionally, it provides resources for training and assistance in data modeling practices.
Analyst Alert: Data Modeling is a Required Skill
- 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
- 7. What is this? • Entity Relationship Diagram (ERD) • Describes the logical model of our data Fundamentals of Data Modeling 7©2019 Senturus, Inc. All rights reserved.
- 8. What’s in a database? Fundamentals of Data Modeling 8©2019 Senturus, Inc. All rights reserved.
- 9. What’s in a table? Fundamentals of Data Modeling 9©2019 Senturus, Inc. All rights reserved.
- 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 16©2019 Senturus, Inc. All rights reserved.
- 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/
- 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? 21©2019 Senturus, Inc. All rights reserved.
- 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 ©2019 Senturus, Inc. All rights reserved. 28
- 30. Upcoming Events ©2019 Senturus, Inc. All rights reserved. www.senturus.com/events 30
- 31. www.senturus.com/senturus-resources/ Free Resources ©2019 Senturus, Inc. All rights reserved. 31
- 32. Training Options ©2019 Senturus, Inc. All rights reserved. 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.