홍이의 개발 노트

select min(decode(dd, 1, lvl)) as 일, min(decode(dd, 2, lvl)) as 월, min(decode(dd, 3, lvl)) as 화, min(decode(dd, 4, lvl)) as 수, min(decode(dd, 5, lvl)) as 목, min(decode(dd, 6, lvl)) as 금, min(decode(dd, 7, lvl)) as 토 from (select to_number(to_char(yyyy + level - 1, 'D')) as dd, to_number(to_char(yyyy + level - 1, 'w')) as ww, to_char(yyyy, 'D') as dd1, level as lvl from (select trunc(sysdate,'mm'..