oracle - 요일계산(3)
select to_char(sysdate, 'yyyy.mm.dd') Tdate,to_char(sysdate, 'day') WdateFrom dual--where to_char(sysdate, 'd') in ('5','6','7') ;where to_char(sysdate, 'd') in ('1','2','3','4') ;
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oracle - 요일계산(2)
select to_char(sysdate, 'd')from dual; select to_char(to_date(sysdate - to_char(sysdate, 'd')+2), 'mm/dd'), to_char(to_date(sysdate - to_char(sysdate, 'd')+ 6), 'mm/dd')from dual select to_char(to_date(sysdate - to_char(sysdate, 'd')+6), 'mm/dd'), to_char(to_date(sysdate - to_char(sysdate, 'd')+ 8), 'mm/dd')from dual
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