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COVAR_POP

COVAR_POP returns the population covariance of a set of number pairs.

Syntax​

COVAR_POP(expr0, expr1)

Arguments​

ArgumentsDescription
expression0Any numerical expression
expression1Any numerical expression

Return Type​

float64

Example​

Create a Table and Insert Sample Data

CREATE TABLE product_sales (
  id INT,
  product_id INT,
  units_sold INT,
  revenue FLOAT
);

INSERT INTO product_sales (id, product_id, units_sold, revenue)
VALUES (1, 1, 10, 1000),
       (2, 2, 20, 2000),
       (3, 3, 30, 3000),
       (4, 4, 40, 4000),
       (5, 5, 50, 5000);

Query Demo: Calculate Population Covariance between Units Sold and Revenue

SELECT COVAR_POP(units_sold, revenue) AS covar_pop_units_revenue
FROM product_sales;

Result

| covar_pop_units_revenue |
|-------------------------|
|        20000.0          |