title: How to Auto Increment Alpha-Numeric value in postgresql?
body: <p>I am using <code>"PostgreSQL 9.3.5"</code></p>
  
  <p>I have a <strong>Table</strong>(<code>StackOverflowTable</code>) with <strong>columns</strong> <code>(SoId,SoName,SoDob)</code>.</p>
  
  <p>I want a <code>Sequence generator</code> for column <code>SoId</code> which is a Alpha-numeric value.</p>
  
  <p>I want to auto increment a Alpha-Numeric Value in postgresql.</p>
  
  <pre><code>For eg : SO10001, SO10002, SO10003.....SO99999.
  </code></pre>
  
  <p><strong>Edit:</strong></p>
  
  <p>If tomorrow i need to generate a Sequence which can be as <code>SO1000E100, SO1000E101,...</code> and which has a good performance. Then what is the best solution!</p>