Final answer:
To create a relationship between the Purchases and Products tables in the Power Pivot window, use the ItemId field as the basis for the relationship.
Step-by-step explanation:
To create a relationship between the Purchases and Products tables in the Power Pivot window, you can use the ItemId field as the basis for the relationship. Here are the steps:
- Open the Power Pivot window in your spreadsheet program.
- In the Power Pivot window, click on the 'Diagram View' tab.
- Drag and drop the ItemId field from the Products table to the ItemId field in the Purchases table.
- Ensure that the relationship is created as a one-to-many relationship, where one item can be associated with multiple purchases.
- Save the changes and exit the Power Pivot window.