Quick Reference
The MySQL SUM() function calculates the sum of a set of values.
The following uses the quantity column in the Order_Details table to add up the number of orders.
SELECT SUM(quantity) AS 'Total Items Ordered' FROM Order_Details;Output
Total Items Ordered
236Syntax
SUM(expression)SQL Notes:
- Any work being done to modify the structure of a database or delete tables or the the database itself should only be done after making a recent backup
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