SQL SUM Function

SQL > SQL Commands > SUM Function

The SUM function is used to calculate the total for a column. The syntax is,

SELECT SUM("column_name")
FROM "table_name"

For example, if we want to get the sum of all sales from the following table,

Table Store_Information

store_name Sales Date

Los Angeles $1500 Jan-05-1999

San Diego $250 Jan-07-1999

Los Angeles $300 Jan-08-1999

Boston $700 Jan-08-1999

we would type in

SELECT SUM(Sales) FROM Store_Information

Result:

SUM(Sales)

$2750

$2750 represents the sum of all Sales entries: $1500 + $250 + $300 + $700.

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