SUM () function
SUM function returns the total number (total) value of the column.
SQL SUM () syntax
SELECT SUM(column_name) FROM table_name
SQL SUM () example
We have the following "Orders" table:
| O_Id | OrderDate | OrderPrice | Customer |
|---|---|---|---|
| 1 | 2008/12/29 | 1000 | Bush |
| 2 | 2008/11/23 | 1600 | Carter |
| 3 | 2008/10/05 | 700 | Bush |
| 4 | 2008/09/28 | 300 | Bush |
| 5 | 2008/08/06 | 2000 | Adams |
| 6 | 2008/07/21 | 100 | Carter |
Now, we want to find the total number of "OrderPrice" fields.
We use the following SQL statement:
SELECT SUM(OrderPrice) AS OrderTotal FROM Orders
The result set will look like this:
| OrderTotal |
|---|
| 5700 |
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