LUT-yliopisto/B.Sc. (Tech.) in Software and Systems Engineering/CT60A4304 Basics of database systems/Assignments/HW3C.sql

CREATE TRIGGER hashtag_not_allowed 
BEFORE INSERT ON Hashtag
BEGIN
   SELECT
      CASE
	WHEN (select NEW.Content from Hashtag) LIKE "%mayonnaise%" THEN
   	  RAISE (ABORT,"Mayonnaise detected!")
       END;
END;