프리 정보 컨텐츠

select ABS(-2) c1, floor(2.3) c2, power(2, 3) c3, sign(1) c4, sign(-1) c5, sqrt(25) c6, trunc(10.232, 1) c7, ADD_MONTHS(to_date('20211104', 'yyyymmdd'), 3) c8, extract(year from sysdate) c9, extract(month from sysdate) c10, extract(day from sysdate) c11, NEXT_DAY('20211224', 4) c12, sysdate c13, trunc(sysdate) c14, last_day(sysdate) c15 from dual;