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Round function for number rounded to specified integer to the right of the decimal point. It is a numeric function.

Syntax:-

ROUND(m,[n]) – n is optional

Example :-

SQL> select round(25.6) from dual;

ROUND(25.6)
———–
26

SQL> select round(25.4) from dual;

ROUND(25.4)
———–
25

Some more….

round(25.48,0) returns 25
round(25.48,1) returns 25.5
round(25.22,1) returns 25.2
round(25.48,2) returns 25.48
round(25.48,-1) returns 30
round(25.48,-2) returns 0
round(25.4876,1) returns 25.5