SUM

Description

Used to return the sum of all values of the selected field

Syntax

SUM(<expr>)

Parameters

Parameter	Description
<expr>	The field to calculate the sum of

Return Value

Return the sum of all values of the selected field.

Examples

-- Create sample tables
CREATE TABLE sales_table (
    product_id INT,
    price DECIMAL(10,2),
    quantity INT
) DISTRIBUTED BY HASH(product_id)
PROPERTIES (
    "replication_num" = "1"
);

-- Insert test data
INSERT INTO sales_table VALUES
(1, 99.99, 2),
(2, 159.99, 1),
(3, 49.99, 5),
(4, 299.99, 1),
(5, 79.99, 3);

-- Calculate the total sales amount
SELECT SUM(price * quantity) as total_sales
FROM sales_table;

+-------------+
| total_sales |
+-------------+
|     1149.88 |
+-------------+