title: Creating a unique id (PIN) for each record of a table
body: <p>I want to create a PIN that is unique within a table but not incremental to make it harder for people to guess.
  Ideally I'd like to be able to create this within SQL Server but I can do it via ASP.Net if needed.</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>Sorry if I wasn't clear: I'm not looking for a GUID as all I need is a unique id for that table; I just don't want it to be incremental.</p>