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MySQL 문자열 함수와 연산자 INSTR() - INSTR(str, substr) 의 형태 Returns the position of the first occurence of sustring substr in string str. This is the same as the two-argument form of LOCATE(), except that the order of the arguments is reversed. This function is multibyte safe, and is case-sensitive only if at least one argument is a binary string. mysql> SELECT INSTR('foobarbar', 'bar') ; +-------------..