Verify that no Sales Transactions IDs have been duplicated. Because the raw data provided by the client lists the Order IDs and Sales Transaction IDs by product sold in each order, you will first need to aggregate the transactions by Sales Transaction IDs. Next, identify any duplicate Sales Transaction IDs that correspond to more than one Order ID

Answer rating: 100% (QA)

To verify that no Sales Transaction IDs have been duplicated we need to aggregate the tran... View the full answer