嵌入和更新觸發器後的MySQL

Question

我有一個表test1與列id，名稱，指定，salary.I想插入每個記錄到test2插入到test1，並更新test2中更新test1中的每個記錄

Answer 1

你必須創建兩個觸發器更新和插入一個尚未測試它，但這樣的事情會做。

CREATE TRIGGER new_row_added 
AFTER INSERT ON test1 
FOR EACH ROW 
    UPDATE test2 
     SET name=NEW.name, designation=NEW.designation,salary=NEW.salary 
     WHERE id=NEW.id ; 

CREATE TRIGGER ins_sum AFTER UPDATE ON test1 
    FOR EACH ROW 
    BEGIN 
     IF NEW.ts <> OLD.ts THEN 
      INSERT INTO test2 (name, designation,salary) 
      VALUES(NEW.name, NEW.designation,NEW.salary); 
     END IF; 
    END;