Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
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Compound JoinsThe Sum(Ccur(...)) portion is anaggregation function that computes all theactual prices for a given product (in theGROUP BY clause). We give it the handyname “ProductSales”.What is inside that Sum() function is thecalculation for computing each individualprice.