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Microsoft SQL Server 2014 Business Intelligence Development Beginner's Guide

You're reading from   Microsoft SQL Server 2014 Business Intelligence Development Beginner's Guide Get to grips with Microsoft Business Intelligence and Data Warehousing technologies using this practical guide

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Product type Paperback
Published in May 2014
Publisher
ISBN-13 9781849688888
Length 350 pages
Edition Edition
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Authors (2):
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Reza Rad Reza Rad
Author Profile Icon Reza Rad
Reza Rad
Abolfazl Radgoudarzi Abolfazl Radgoudarzi
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Abolfazl Radgoudarzi
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Table of Contents (19) Chapters Close

Microsoft SQL Server 2014 Business Intelligence Development Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Data Warehouse Design 2. SQL Server Analysis Services Multidimensional Cube Development FREE CHAPTER 3. Tabular Model Development of SQL Server Analysis Services 4. ETL with Integration Services 5. Master Data Management 6. Data Quality and Data Cleansing 7. Data Mining – Descriptive Models in SSAS 8. Identifying Data Patterns – Predictive Models in SSAS 9. Reporting Services 10. Dashboard Design 11. Power BI 12. Integrating Reports in Applications Index

Why is OLAP required?


OLAP is a data structure that provides multidimensional cubes from data and provides useful information for decision makers. While designing an OLAP system, the most important factor is reporting requirements. Compared to OnLine Transactional Processing (OLTP), OLAP provides faster reports because it reshapes data in cube structures rather than the traditional relational structure based on tables.

As an example, assume that you want to create a report in a BI system for sales based on products and dates. You might need to get the sales amount per day, per month, or per year. You might also have categories of products. So, it will be helpful if you have a graph with two dimensions, Product as one dimension and Date as another dimension:

Having two dimensions helps to achieve each granular point and each conjunction of both dimensions easier and faster. For example, point A shows the total sales amount of ProductA in August 2012. Each point in the preceding graph is a measure...

You have been reading a chapter from
Microsoft SQL Server 2014 Business Intelligence Development Beginner's Guide
Published in: May 2014
Publisher:
ISBN-13: 9781849688888
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