MySQL 문자열관련 함수
NameDescriptionASCII()Return numeric value of left-most characterBIN()Return a string representation of the argumentBIT_LENGTH()Return length of argument in bitsCHAR_LENGTH()Return number of characters in argumentCHAR()Return the character for each integer passedCHARACTER_LENGTH()A synonym for CHAR_LENGTH()CONCAT_WS()Return concatenate with separatorCONCAT()Return concatenated stringELT()Return ..