1 set serveroutput on
2 declare
3 num1 integer;
4 num2 integer;
5 num3 integer;
6 begin
7 num1:=2*4-1;
8 num2:=3*3*3;
9 num3:=num1+num2;
10 dbms_output.put_line('num3:='||to_char(num3));
11 end;
转载于:https://www.cnblogs.com/lanbaoming/archive/2011/07/15/2107771.html