MYSQL - SUM of a column based on common value in other column

Question

I\'m stuck on crafting a MySQL query to solve a problem. I\'m trying to iterate through a list of \"sales\" where I\'m trying to sort the Customer IDs listed by their total accu

Answer 1

You need to GROUP BY your customer id:

SELECT CustomerID, SUM(PurchasePrice) AS PurchaseTotal
FROM sales
GROUP BY CustomerID;