TRUNC and ROUND function looks similar but not exactly.
ROUND function used to round the number to the nearest while TRUNC used to truncate/delete the number from some position. Some cases both returns same result.
SQL> select trunc(25.67),round(25.67) from dual;
Below chart clearly explains the difference
So next time when you are using TRUNC and ROUND remember that both might give different results !
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