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  select * from EMPLOYEE
  where resign_date = sysdate-1
  or resign_date = sysdate -10
select * from EMPLOYEE
where trunc(resign_date) = trunc(sysdate)-1
or trunc(resign_date) = trunc(sysdate) -10;

select * from EMPLOYEE
  where to_char(resign_date,'YYYY-MM-DD') = to_char(sysdate -1,'YYYY-MM-DD')
  or to_char(resign_date,'YYYY-MM-DD') = to_char(sysdate -10,'YYYY-MM-DD')

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select * from EMPLOYEE
where trunc(resign_date) = trunc(sysdate)-1
or trunc(resign_date) = trunc(sysdate) -10;


SELECT *
from employee
WHERE resign_date = to_date(to_char(SYSDATE - 1, 'YYYY-MM-DD hh24:mi:SS'), 'YYYY-MM-DD hh24:mi:SS'))
    OR  resign_date = to_date(to_char(SYSDATE - 10, 'YYYY-MM-DD hh24:mi:SS'), 'YYYY-MM-DD hh24:mi:SS'));
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   select * from EMPLOYEE
   where resign_date = sysdate-1
   or resign_date = sysdate -10


select * from EMPLOYEE where


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