How can you calculate the sum of values from two fields in SQL?

In SQL, the SUM function can be used to calculate the total of values in two fields. For example, if there is a table with two fields (field1 and field2), to calculate the total of values in these two fields, you can use the following SQL statement:

SELECT SUM(field1 + field2) AS total_sum
FROM your_table;

The statement above calculates the total sum of the values in field1 and field2, and names the result as total_sum. You can replace your_table with the actual table name.