Oracle PL/SQL - Are NO_DATA_FOUND Exceptions bad for stored procedure performance?

Question

I\'m writing a stored procedure that needs to have a lot of conditioning in it. With the general knowledge from C#.NET coding that exceptions can hurt performance, I\'ve always

Answer 1

you dont have to use open when you are using for loops.

declare
cursor cur_name is  select * from emp;
begin
for cur_rec in cur_name Loop
    dbms_output.put_line(cur_rec.ename);
end loop;
End ;

or

declare
cursor cur_name is  select * from emp;
cur_rec emp%rowtype;
begin
Open cur_name;
Loop
Fetch cur_name into  Cur_rec;
   Exit when cur_name%notfound;
    dbms_output.put_line(cur_rec.ename);
end loop;
Close cur_name;
End ;