SQL SUM() Function

The SQL SUM() function is used to return the total of all values in the specific table column. The syntax is:

SELECT SUM(column_name) FROM table_name;

Let’s say that we want to determine the total value of sold albums from the Album table. We can use the following SQL SUM() statement:

SELECT SUM(sell) FROM album;

This SQL statement  would produce the following result:

| sell   |
|     23 |
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