declare
num1 number;//;号
num2 number;
begin
num1:=#
num2:=#
dbms_output.put_line(num1||'/'||num2||'is'||num1/num2);
exception
when zero_divide then
dbms_output.put_line('stupid!');
end;
/
num1 number;//;号
num2 number;
begin
num1:=#
num2:=#
dbms_output.put_line(num1||'/'||num2||'is'||num1/num2);
exception
when zero_divide then
dbms_output.put_line('stupid!');
end;
/
改为
dbms_output.put_line(to_char(num1)||'/'||to_char(num2)||'is'||to_char(num1/num2));