title: parsing JSON string in oracle
body: <p>i have JSON string in one column in oracle 10g database like </p>
  
  <pre><code>[{"id":"1","contactBy":"Rajesh Kumar"},{"id":"2","contactBy":"Rakesh Kumar"}]
  </code></pre>
  
  <p>I have to get the value for <strong>ContactBy</strong> in that column for one of the reports.</p>
  
  <p>is there any built in function to parse the JSON string in Oracle 10g or any user defined funciton to parse the String</p>