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Oracle 获取月初、月末时间,获取上一月月初、月末时间
2022-06-27 17:35:00 【天天代码码天天】
select trunc(sysdate, 'mm'),
last_day(trunc(sysdate)),
trunc(add_months(trunc(sysdate), -1), 'mm'),
last_day(add_months(trunc(sysdate), -1)),
trunc(add_months(trunc(sysdate), -2), 'mm'),
last_day(add_months(trunc(sysdate), -2))
from dual
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