mysql declare variable code example
Example 1: how to create a variable in mysql
-- MySQL
SET @variable_name := value;
Example 2: what does declare do in mysql
-- 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
Example 3: mysql declare variable
SET start = 1;
SET finish = 10;
SELECT * FROM places WHERE place BETWEEN start AND finish;