title: How to replace part of string in SQL
body: <p>i have URL in db column "guid"</p>
  
  <pre><code>http://example.com/wp-content/uploads/2014/03/Waterproofing2.png
  </code></pre>
  
  <p>i need to change it to</p>
  
  <pre><code>http://example.com/blog/wp-content/uploads/2014/03/Waterproofing2.png
  </code></pre>
  
  <p>i need to replace all URL's with</p>
  
  <pre><code>http://example.com/wp-content/uploads/
  </code></pre>
  
  <p>to</p>
  
  <pre><code>http://example.com/blog/wp-content/uploads/
  </code></pre>