Book Image

Tabular Modeling with SQL Server 2016 Analysis Services Cookbook

By : Derek Wilson
Book Image

Tabular Modeling with SQL Server 2016 Analysis Services Cookbook

By: Derek Wilson

Overview of this book

SQL Server Analysis Service (SSAS) has been widely used across multiple businesses to build smart online analytical reporting solutions. It includes two different types of modeling for analysis services: Tabular and Multi Dimensional. This book covers Tabular modeling, which uses tables and relationships with a fast in-memory engine to provide state of the art compression algorithms and query performance. The book begins by quickly taking you through the concepts required to model tabular data and set up the necessary tools and services. As you learn to create tabular models using tools such as Excel and Power View, you’ll be shown various strategies to deploy your model on the server and choose a query mode (In-memory or DirectQuery) that best suits your reporting needs. You’ll also learn how to implement key and newly introduced DAX functions to create calculated columns and measures for your model data. Last but not least, you’ll be shown techniques that will help you administer and secure your BI implementation along with some widely used tips and tricks to optimize your reporting solution. By the end of this book, you’ll have gained hands-on experience with the powerful new features that have been added to Tabular models in SSAS 2016 and you’ll be able to improve user satisfaction with faster reports and analytical queries.
Table of Contents (18 chapters)
Tabular Modeling with SQL Server 2016 Analysis Services Cookbook
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Configuring DirectQuery table partitions


Before you can deploy and use the model, you must configure the sample partitions for each table that is being used in the model. When you first try to deploy the model, you will receive an error on each table. These errors occur because there is no data loaded into the sample partition:

This recipe walks you through the steps to create a sample partition on a table to clear the error.

How to do it...

  1. In the data Grid view select the CRASH_DATA_T table and then select the Table menu and Partitions to bring up the Partition Manager.

  2. On the Partition Manager, click Copy to make a copy of the data. Select the SQL icon and filter the results to data greater than January 1st 2015 and click Validate to ensure that the SQL statement is correct and click OK to finish:

  3. Now repeat the process for the remaining tables in the project to create sample data and clear the errors. You will not need to add a filter on the other tables.

  4. Select the Build menu and then...