SQL문 중에 스트링과 관련된 기능들에 대해 알아보겠습니다. https://dev.mysql.com/doc/refman/8.0/en/string-functions.html MySQL :: MySQL 8.0 Reference Manual :: 12.8 String Functions and Operators 12.8 String Functions and Operators Table 12.12 String Functions and Operators Name Description ASCII() Return numeric value of left-most character BIN() Return a string containing binary representation of a number BIT_LENGTH()..