1. Enriching your BI Semantic Models with Data Analysis Expressions (DAX)
4/29/2019 3:27 PM
DBI323
Enriching your BI Semantic Models with Data Analysis Expressions (DAX)
Kasper de Jonge
SQL Server Analysis services team
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. Session Objectives and Takeaways
TechReady12
4/29/2019
Session Objectives and Takeaways
DAX introduced in PowerPivot (SQL 2008 R2)
DAX enhancements in SQL Server 2012
IT/BI Pros can use DAX with SQL Server Data Tools
Demos of DAX in PowerPivot
Demos of DAX as a Query Language in SSMS
© 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

3. DAX – Data Analysis Expressions
Introduced as part of PowerPivot add-in for Excel
Formulas for calculated columns & measures
Same syntax as Excel including many Excel functions
Capabilities beyond Excel formulas:
Navigate relationships
Dynamic calculation of measures
Table valued functions
Time Intelligence

4. DAX Enhancements in SQL Server 2012
DAX used in both PowerPivot and Analysis Services (BISM)
Enable DAX as a query language (used by Power View)
Extend PowerPivot with more DAX functions
Add functions that build data sets for reporting
Add support for more complex data models
Continue evolution of DAX expression language

5. DAX Formulas in SQL Server 2012
TechReady12
4/29/2019
demo
DAX Formulas in SQL Server 2012
© 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

6. DAX for the BI Pro DAX Introduced with PowerPivot for Excel
SQL Server Data Tools (SSDT) now support Multidimensional and Tabular models
DAX can be used in SSDT and SSMS in Denali
Use DAX in row level security including dynamic security
USERNAME() / CUSTOMDATA() functions in DAX

7. BI Semantic Model: Architecture
Third-party
applications
Reporting
Services
SharePoint
Insights
Excel
PowerPivot
BI Semantic Model
Multi-
dimensional
Data model
Tabular
Business logic
and queries
MDX
DAX
Direct
Query
Data access
ROLAP
MOLAP
VertiPaq
Databases
LOB Applications
Files
OData Feeds
Cloud Services

8. Querying the BI Semantic Model with DAX
DAX query results are always a table (rowset)
SQL Server 2012 adds DAX functions that return tables
Users won’t author queries directly, Power View will send them

9. DAX Query Syntax DEFINE
TechReady12
4/29/2019
DAX Query Syntax
DEFINE
MEASURE Table1 [measure1] = <DAX_Expression>
EVALUATE
<DAX Table Expression>
ORDER BY
<DAX_Expression> [ASC | DESC]  
© 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

10. demo DAX Queries TechReady12 4/29/2019
© 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

11. In Review: Session Objectives and Takeaways
TechReady12
4/29/2019
In Review: Session Objectives and Takeaways
DAX introduced in PowerPivot (SQL 2008 R2)
DAX enhancements coming in SQL Server 2012
IT Pros can use DAX in Analysis Services with SSDT
Demos of DAX in PowerPivot
Demos of DAX as a Query Language in SSMS
© 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

12. Related Content DBI413 - Many-to-Many Relationships in BISM Tabular
DBI301 - Building Self-Service BI Applications Using PowerPivot
DBI319 - BISM: Multidimensional vs. Tabular
DBI414 - Optimizing Your BI Semantic Model for Performance and Scale

13. Kasper de Jonge http://www.PowerPivotblog.nl kadejo@microsoft.com
@kjonge

14. mva Track Resources SQL Server 2012 Eval Copy Hands-On Labs @sqlserver
@ms_teched
mva
Microsoft Virtual Academy
Get Certified!

15. Resources Learning TechNet http://europe.msteched.com
Connect. Share. Discuss.
Microsoft Certification & Training Resources
TechNet
Resources for IT Professionals
Resources for Developers

16. Submit your evals online
4/29/2019 3:27 PM
Evaluations
Submit your evals online
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

17. 4/29/2019 3:27 PM
© 2012 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
© 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

18. 4/29/2019 3:27 PM
© 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.