Answers for "mysql update trigger example"

SQL
2

mysql trigger after update

CREATE TRIGGER after_sales_update
AFTER UPDATE
ON sales FOR EACH ROW
BEGIN
    IF OLD.quantity <> new.quantity THEN
        INSERT INTO SalesChanges(salesId,beforeQuantity, afterQuantity)
        VALUES(old.id, old.quantity, new.quantity);
    END IF;
END$$
Posted by: Guest on March-19-2021

Code answers related to "SQL"

Browse Popular Code Answers by Language