Sum ( ) , it is a function which return the aggregate sum of any expression , like salary of multiple employee , sum of population in any particular area etc . In above result you can see , it return ...

The SUM() function in SQL returns the total sum of a numeric column. It's commonly used to calculate totals in datasets like sales, quantities, or prices.

Program Purpose: use the SUM function to return the sum of all the values of a numeric column, ex we get the sum from the amount column in orders as if someone asked how much money they've secured ...