MY SQL 문자열 길이 관련 함수 LENGTH - 문자열 byteBIT_LENGTH - 문자열 biteCHAR_LENGTH - 문자열 길이 SELECT A.T, LENGTH(A.T), BIT_LENGTH(A.T), CHAR_LENGTH(A.T), CHARACTER_LENGTH(A.T)FROM ( SELECT '1234' AS 'T' UNION ALL SELECT 'ABCD' AS 'T' UNION ALL SELECT 'ㄱㄴㄷㄹ' AS 'T' UNION ALL SELECT '가나다라' AS 'T' UNION ALL SELECT '!@#$' AS 'T') A;
