declare in msssql sp code example

Example 1: declare variable in stored procedure in sql server

DECLARE 
    @product_name VARCHAR(MAX),
    @list_price DECIMAL(10,2);

Example 2: what does declare do in sql

-- MySQL

DECLARE variable_name datatype(size) [DEFAULT default_value];
-- Declaring a variable without specifying a default value will result it
-- in being a null value.
-- Declare is what allows us to create a variable