title: Alpha-numeric sequence in SQL Server
body: <p>I need to generate a 3 character alphanumeric sequence, in SQL Server 2008, as follows:</p>
  
  <pre><code>001,
  002,
  ...,
  999,
  A01,
  A02,
  ...,
  A99,
  B01,
  B02,
  ...,
  Z99
  </code></pre>
  
  <p>The next item in the sequence will get generated from a stored procedure and stored in a <code>NCHAR(3)</code> table column.</p>