MySQL觸發串接字符串

Question

問題是當我試圖設置CAD變量！

我怎樣才能得到串聯這裏是我的示例代碼：

BEGIN 
    DECLARE vUser varchar(50); 

    set @cad: = "The user "+ vUser+ " add the jurisdiction "+ NEW.name; 


    INSERT INTO ActivyLog 
    VALUES 
    (null,'Jurisdiction added', @cad, now(), now(), '1' , '1'); 

END 

Answer 1

CONCAT("The user ", vUser, " add the jurisdiction ", NEW.name) 

試試這個