Random Value

 select dbms_random.value(1,10)original_value,
ceil(dbms_random.value(1,10))ceil_valie,
round(dbms_random.value(1,10))round_value,
floor(dbms_random.value(1,10))floor_value
 from dual
/

DECLARE
A NUMBER;
BEGIN
FOR I IN 1 .. 10 LOOP
DBMS_RANDOM.SEED('TEST2');
A:=ROUND(dbms_random.VALUE(1,1000),0);
DBMS_OUTPUT.PUT_LINE(A+I);
END LOOP;
END;