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Difference between to_char and to_date.

Jeevanantham VFeb 1 2017 — edited Feb 6 2017

Query 1 : select to_char(sysdate,'DD-MON-YYYY') AS REQ_DATE from dual;

REQ_DATE

---------

01-FEB-17

If i execute query 2:

select to_DATE(sysdate,'DD-MON-YYYY') AS REQ_DATE from dual;

REQ_DATE

-----------

01-FEB-2017.

Actually, i want to display the date format in "DD-MON-YYYY". But, to_date function only displays "yy" not in "yyyy". Please explain the reason, as well the real purpose between these two functions in date related operations.

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Locked on Mar 6 2017

Added on Feb 1 2017

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