PowerPivot | The CALCULATE function exercise | Use CALCULATE to show the value of sales for watery habitats

This exercise is provided to allow potential course delegates to choose the correct Wise Owl Microsoft training course, and may not be reproduced in whole or in part in any format without the prior written consent of Wise Owl.

Software ==> PowerPivot  (75 exercises)
Version ==> Excel 2016 and later
Topic ==> The CALCULATE function  (15 exercises)
Level ==> Average difficulty
Subject ==> Power BI training
Before you can do this exercise, you'll need to download and unzip this file (if you have any problems doing this, click here for help). Once you've done this:
  1. Go into SQL Server Management Studio;
  2. Open the SQL file you've just unzipped (you can press CTRL + O to do this); then
  3. Execute this script.

This will generate the database that you'll need to use in order to do this exercise (note that the database and script are only to be used for exercises published on this website, and may not be reused or distributed in any form without the prior written permission of Wise Owl).

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The aim of this exercise is to show the percentage of the values of sales for each region attributable to watery habitats.  Read on!

First import the following tables into a PowerPivot data model in a new workbook:

Five tables to import

The tables that you'll need to import for this exercise.

In the Purchase table, create a measure to calculate the total value of sales for habitats with id numbers 3 and 4 (corresponding to fresh and salt water respectively).

You'll need to use the CALCULATE function, the SUMX function to sum (price * quantity) and the double pipe characters ( || ) to denote "or".

Use this measure to show total watery sales by shopping centre type:

Water habitat sales

You should format your numbers to look nice!


Now create another (similar) measure called Vegetation, showing the total value of sales for vegetative habitats (id numbers 1 and 2, for grasslands and forest respectively). 

Use this to create and show a third measure called Water-to-veg ratio, to get this pivot table: 

Water to vegetable ratio

Factory outlets have the smallest ratio (surely a fact worth shouting about).


Save your workbook as What about the desert, then close it down.

You can unzip this file to see the answers to this exercise, although please remember this is for your personal use only.
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