to_char function in SQLPLUS

Question

When I run select to_char(SYSDATE-3) from dual from SQL DEVELOPER it gives 26-06-15 . But when I run the same query from SQLPLUS session from Linux its giving -

SQL> select TO_CHAR(SYSDATE-3) from dual;

TO_CHAR(SYSDATE-3)
------------------
26-JUN-15

How to correct this in SQLPLUS?

Answer 1

This is the same value in different format.

You can set the session level date format using

alter session set nls_date_format='dd-mm-yy';

Or you can pass this format in the to_char function

select TO_CHAR(SYSDATE-3, 'dd-mm-yy') from dual;