how to create a variable in mysql
-- MySQL
SET @variable_name := value;how to create a variable in mysql
-- MySQL
SET @variable_name := value;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 variableCopyright © 2021 Codeinu
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