Historically, the dominant principle for data handling in MySQL has been, “Garbage in, garbage out.” However, as of MySQL 5.0.2, several SQL modes are available that enable you to reject bad ...

Assign a value to a variable in a "SELECT" statement:SELECT @fruit1, @fruit2, @fruit3, @fruit4:='mango';You must use ":=" if you are assigning a value to a variable in any other type of statement ...