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Tabular Modeling with SQL Server 2016 Analysis Services Cookbook

You're reading from  Tabular Modeling with SQL Server 2016 Analysis Services Cookbook

Product type Book
Published in Jan 2017
Publisher Packt
ISBN-13 9781786468611
Pages 372 pages
Edition 1st Edition
Languages
Author (1):
Derek Wilson Derek Wilson
Profile icon Derek Wilson
Toc

Table of Contents (18) Chapters close

Tabular Modeling with SQL Server 2016 Analysis Services Cookbook
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Introduction to Microsoft Analysis Services Tabular Mode 2. Setting up a Tabular Mode Environment 3. Tabular Model Building 4. Working in Tabular Models 5. Administration of Tabular Models 6. In-Memory Versus DirectQuery Mode 7. Securing Tabular Models 8. Combining Tabular Models with Excel 9. DAX Syntax and Calculations 10. Working with Dates and Time Intelligence 11. Using Power BI for Analysis

Using the NOW and TODAY functions


There are two functions to return the current datetime and date in the model. The TODAY function will return the current date with the time set to 12:00:00 AM. This function is useful when you need to use the current date as an input for your time calculations. The NOW function returns not only the current date, but also the exact time of when the function is executed. Depending on the time interval required, using the today function would allow you to calculate the number of sales over the last 6 or 12 hours.

How to do it...

  1. Open the Model.bim to the Calc_Date_T table.

  2. In the measure creation area, click on an empty cell to create a measure to return the current date and time:

            Current_DateTime:=NOW() 
    

  3. Now that you can see the date and time, create a new measure under the Current_DateTime measure name Current_Date to return the current date with the time set to 12:00:00 AM:

            =Current_Date:=TODAY() 
    

How it works...

In this recipe, you...

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