title: Replacement character in SQL database
body: <p>I have a table in database containing 50000 records, but in column <code>slno</code> around 20000 rows contain <code>/</code> and I want to replace this character with <code>-</code>.</p>
  
  <p>Example :</p>
  
  <pre><code>34158/256 
  </code></pre>
  
  <p>Output</p>
  
  <pre><code>34158-256
  </code></pre>
  
  <p>Please help me.</p>
  
  <p>Thanks in advance</p>