프리 정보 컨텐츠

select ASCII('a') r1, chr('65') r2, chr(ASCII('c')) r3, INITCAP('asd erd') r4, INSTR('seexefrxew', 'x', 2) r5, least('2', '3', '5') r6, LENGTH('오라클oracle') r7, lpad('80', 3, '0') r8, lower('AFEISue') r9, TRIM(' AAA ') r10, LTRIM('@@@AAA@@@', '@') r11, RTRIM('@@@BBB@@@', '@') r12, substr('testeeqq', 3) r13, instr(substr('testeeqq', 3), 'e') r14, 'hello' || '-' || 'oracle' r15, substr(lpad('80', 3..