how to get all dates in a month in oracle
-- All dates between 01/01/2021 and 15/01/2021
SELECT to_date('01/01/2021', 'DD/MM/YYYY') + ROWNUM - 1
FROM ALL_OBJECTS
WHERE ROWNUM <= to_date('15/01/2021', 'DD/MM/YYYY')
- to_date('01/01/2021', 'DD/MM/YYYY') + 1;