WISE OWL EXERCISES
POWER BI EXERCISES
- PowerPivot data models (7)
- Pivot tables using PowerPivot (2)
- Using Excel tables (3)
- Using other data sources (1)
- Transforming data (Power Query) (7)
- Calculated columns (7)
- Measures (2)
- The CALCULATE function (15)
- More advanced DAX functions (5)
- Calendars (1)
- Date functions (10)
- Hierarchies (2)
- KPIs (5)
- Power View (4)
- Power BI Desktop overview (3)
- Power BI Desktop maps (1)
PowerPivot | PowerPivot data models exercise | Create a clean data model, and a pivot table based on it
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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.
In a new workbook, in PowerPivot import from this MAM database the following tables:
The aim of this exercise is to create the following pivot table:
This pivot table shows that Sutton Coldfield and Burnley are the towns with the highest average quantity purchased.
To help you do this, create the following data model:
The data model should contain well-named tables, and no unnecessary details. See if you can also import only the bare minimum of fields that you need to get the pivot table to work.
Whoops! We've forgotten to add in the tblProduct table. Go back into PowerPivot and add this table, but only importing products where the full price is £15 or more.
You'll also need to create a relationship between the product and transaction tables, and may also need to change the properties of the transaction table to add in the ProductId column so that you can link to it.
Amend your data model and pivot table so that they look like this:
The revised data model, with the product name field.
Amend your pivot table so that it shows the number of transactions, sorted by town name:
The (blank) column shows all of the transactions which don't have a matching product (because we didn't import it).
Save this workbook as Data models are fun, and close it down.