title: How to add prefix to primary key?
body: <p>I have <code>student table</code> with <code>admission id</code>, i want to add prefix to that <code>admission id</code> when i registered</p>
  
  <p>Std Table:</p>
  
  <pre><code>S_AdminID  S_Name S_Gender
  1          eeee   M
  2          gggg   F
  </code></pre>
  
  <p>14AD is added to asdmission id 
  I want like this </p>
  
  <pre><code>S_AdminID      S_Name   S_Gender
  14AD1          eeee     M
  14AD2          gggg     F
  </code></pre>
  
  <p>Thanks in advance</p>