並前往https://pclevinblog.pixnet.net/blog/post/314563054-%5Bmysql%5D%E5%AD%97%E4%B8%B2%E5%90%88%E4%BD%B5%E3%80%81%E5%AD%97%E4%B8%B2%E9%80%A3%E6%8E%A5-%E8%AA%9E%E6%B3%95concat%28%29
