with temp as( select * from ( SELECT TRUNC(to_date('2020'||'01-01','yyyy-mm-dd'), 'YYYY') + ROWNUM - 1 as day FROM DUAL CONNECT BY ROWNUM <= ADD_MONTHS(TRUNC(to_date('2020'||'01-01','yyyy-mm-dd'), 'YYYY'), 12) - TRUNC(to_date('2020'||'01-01','yyyy-mm-dd'), 'YYYY') ) order by day ) select distinct week from ( select day , trunc(day,'ww') w1, to_char(day,'ww') w2, to_char(trunc(day,'ww'),'yyyy-mm')||' '||to_char(day,'ww')||'周' week from temp ) order by week
SQL 年-月-周 不重复
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转载自www.cnblogs.com/dreamttt/p/12134115.html
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