티스토리 뷰
'ㄱ' = SUBSTR('ㄱㄲㄴㄷㄸㄹㅁㅂㅃㅅㅆㅇㅈㅉㅊㅋㅌㅍㅎ', ROUND((UNICODE(SUBSTR(data1,1,1)) - 44032 ) / 588) + 1 , 1)
http://www.matcl.com/forum/1078205
'ㄱ' = SUBSTR('ㄱㄲㄴㄷㄸㄹㅁㅂㅃㅅㅆㅇㅈㅉㅊㅋㅌㅍㅎ', ROUND((UNICODE(SUBSTR(data1,1,1)) - 44032 ) / 588) + 1 , 1)
http://www.matcl.com/forum/1078205