SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

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.

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 ...