WISE OWL EXERCISES
SSAS - TABULAR EXERCISES
SSAS - tabular | Date calculations exercise | Show figures for the previous year, and two quarters ago
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If you haven't already done so, run the SQL script in the above folder in SQL Server Management Studio to generate a database (not for commercial use or copying) called MAM.
Again if you haven't already done so, create a new project called BaseModel, and import the following tables: tblAnimal, tblCentre, tblCentreType, tblPos, tblProduct, tblQuadrant, tblRegion, tblSpecies, tblStore, tblTown, tblTransaction (you may not need to use all of the tables). Delete any measures already created.
Create a measure to show total quantity sold, then create a pivot table showing the total quantity of sales by quadrant for quarter 2 2014:
We've applied filters to show only data for 2014, for quarter 2.
Now create two new measures:
|Measure||What it calculates|
|Same period last year||The total quantity sold for the same period as the current query context, but in the previous year (use SAMEPERIODLASTYEAR).|
|Two quarters ago||The total quantity sold for the corresponding dates two quarters ago (use DATEADD).|
Add these measures to your pivot table to get:
Check that the figures are correct by comparing the results above with data for 2013.
If you want to keep a copy of what you've done, use DAX Editor to create a copy of your measures with extension .dax called Deja vu, and save your workbook with the same file name.