MySQL trigger before Insert value Checking

Question

I have a table staff with office column. Currently the office column do not accept NULL values. The application persisting onto this t

Answer 1

Shouldn't it be something like this:

DELIMITER $$

CREATE TRIGGER staffOfficeNullReplacerTrigger BEFORE INSERT ON Staff
FOR EACH ROW BEGIN
   IF (NEW.office IS NULL) THEN
        INSERT INTO Staff(office) VALUES("N/A");
   END IF;
END$$