�� see
  <a class="xref" href="user-manag.html" title="Chapter 22. Database Roles">Chapter 22</a> for more information. Therefore, it is
  essential to restrict which database users can connect.
 </p><div class="note"><h3 class="title">Note</h3><p>
   As explained in <a class="xref" href="user-manag.html" title="Chapter 22. Database Roles">Chapter 22</a>,
   <span class="productname">PostgreSQL</span> actually does privilege
   management in terms of <span class="quote">“<span class="quote">roles</s