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Power BI | Calculated columns exercise | Create simple data model combining four tables
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.
You can learn how to do this exercise if you attend the course listed below!
| Software ==> | Power BI (92 exercises) |
| Version ==> | Latest update |
| Topic ==> | Calculated columns (7 exercises) |
| Level ==> | Average difficulty |
| Course ==> | Introduction to Power BI |
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Create a new Power BI report, and load data from the workbook in the above folder:
Load all four worksheets (the data gives a list of famous events in history).
In Model View, create the obvious relationships between the tables:
Link the Event table to the Country and Category tables by the obvious columns.
Using the RELATED function, create calculated columns in the Event table to bring in the country, continent and category for each event to get this:
By hiding the other columns in the events table (and hiding the other tables), this should be the only thing you see in Report View.
The syntax of the RELATED function is =RELATED(TableName[ColumnName]).
Create a matrix (it doesn't have to be formatted at all) to show the number of events by category and continent:
A slight European bias, perhaps ...
Save this report as Tidy data model, then close it down.