PL/SQL 循环

plsql中的循环写法

-- loop1
declare
  total number(4) := 0;
begin
  while total <= 100 loop
    total := total + 1;
    dbms_output.put_line(total);
  end loop;
end;
-- loop2
declare
  total number(4) := 0;
begin
  loop
    exit when total = 100;
    total := total + 1;
    dbms_output.put_line(total);
  end loop;
end;
-- loop3
declare
  total number(4) := 0;
begin
  for total in 1 .. 50 loop
    dbms_output.put_line(total);
  end loop;
end;