Trunc function truncates number to specified decimals
Synatx :
TRUNC(m,[n]) – Truncates to n decimal. n is optional
Examples:-
SQL> select trunc(25.48,1) from dual;
TRUNC(25.48,1)
————–
25.4
SQL> select trunc(25.4,1) from dual;
TRUNC(25.4,1)
————-
25.4
SQL> select trunc(25.6,1) from dual;
TRUNC(25.6,1)
————-
25.6
some more ….
trunc(25.6,-1) returns 20
trunc(25.6,0) returns 25
trunc(25.65,1) returns 25.6
trunc(25.45,0) returns 25
