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create trigger tr_a_ad  after delete on A 
     INSERT INTO B values (old.fld1,old.fld2); 
 
SQL code: 
CREATE TRIGGER b_insert AFTER DELETE ON A
FOR EACH ROW
BEGIN
INSERT INTO B(id,name) VALUES (OLD.id,OLD.name);
END;
CREATE TRIGGER b_insert AFTER DELETE ON A 
 FOR EACH ROW 
 BEGIN 
 INSERT INTO B(id,`name`) VALUES (OLD.id,OLD.`name`); 
 END;
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