title: OR is not supported with CASE Statement in SQL Server
body: <p>The <code>OR</code> operator in the <code>WHEN</code> clause of a <code>CASE</code> statement is not supported. How can I do this?</p>
  
  <pre><code>CASE ebv.db_no 
      WHEN 22978 OR 23218 OR 23219 THEN 'WECS 9500' 
      ELSE 'WECS 9520' 
  END as wecs_system 
  </code></pre>