what is the use of output parameter in stored procedure code example

Example 1: output parameter use with stored procedure

CREATE PROCEDURE uspFindProductByModel (
    @model_year SMALLINT,
    @product_count INT OUTPUT
) AS
BEGIN
    SELECT 
        product_name,
        list_price
    FROM
        production.products
    WHERE
        model_year = @model_year;

    SELECT @product_count = @@ROWCOUNT;
END;

Example 2: ms sql server stored procedure output parameter

Copy CodeCREATE PROCEDURE spGetEmployeeCountByGender
@Gender nvarchar(20),
@EmployeeCount int Output
AS
BEGIN
SELECT @EmployeeCount = COUNT(Id) 
FROM tblEmployee 
WHERE Gender = @Gender
END