title: How to execute an oracle procedure with an out sys_refcursor parameter?
body: <p>I have a proc in my package body:</p>
  
  <pre><code>create or replace package body MYPACKAGE is
  
      procedure "GetAllRules"(p_rules     out sys_refcursor)
      is
      begin
          open p_rules for
          select * from my_rules;
  
      end "GetAllRules";
  
  -- etc
  </code></pre>
  
  <p>And I'm exposing this in my package spec.</p>
  
  <p>How do I execute this procedure in a new SQL Window in PL SQL Developer (or similar)?</p>