January 2017
Beginner to intermediate
372 pages
5h 55m
English
Content preview from Tabular Modeling with SQL Server 2016 Analysis Services CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using the DATEDIFF function
The DATEDIFF function returns the values between two dates given a specific date interval. You can use this function to determine the number of days between today and the first day of the year. You could also calculate the number of months between date values.
Available options for the date interval are:
- SECOND
- MINUTE
- HOUR
- DAY
- WEEK
- MONTH
- QUARTER
- YEAR
Getting ready
Create a new measure to calculate the minimum date in the Calc_Date_T. This value will be used to calculate the number of years from the first crash reported to today. In this case, 11/27/2016:
- Open the Model.bim to the Calc_Date_T table.
- In the measure creation area, click on an empty cell to create a measure to minimum date:
Min_Crash_Date:=MIN(Calc_Date_T[CRASH_DATE]) ...
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