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Microsoft Certified: Power BI Data Analyst Associate · Microsoft
Select one answer.
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D. one-to-many from Customer to Transaction Explanation: Typically, one customer can have many transactions. So, the relationship is one (Customer) to many (Transaction). This setup enables correct filtering and aggregation from Customer to their Transactions in Power BI. The other options don’t fit typical data modeling scenarios here: A reverses the direction incorrectly. B (one-to-one) is rare between customers and transactions. C (many-to-many) isn’t needed unless there’s a complex scenario like shared customers or transactions.
One Customer - Many Transactions only makes sense
No doubt here. D