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 FIRSTDATE function
This function returns the first date in the data column that you pass as an argument. You can use the FIRSTDATE function to find the first occurrence of a transaction or the first time an accident was reported that was associated to blowing sand.
How to do it...
- 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 return the first date found on the Calc_Date_T table:
First_Accident:=FIRSTDATE(Calc_Date_T[CRASH_DATE])
- A more interesting date will be finding the first occurrence of an accident logged due to the weather condition of blowing sand. To do this ...
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