Learn database normalization through this tutorial that covers key concepts and processes of 1NF, 2NF, and 3NF. Discover common dataset issues such as insertion, update, and deletion anomalies, as ...
line_item_id,transaction_id,product_id,promotion_id,quantity,line_item_amount 102,TXN067,"P001,P002",PR001,2,200.00 Problem: The product_id column contains multiple values separated by commas ...
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