title: Update Mongodb array object
body: <p>Suppose I have a collection in mongodb</p>
  
  <pre><code>{
    _id:124,
    array:[{
      _id:1
      name:'name1'
     },
     {
      _id:2
      name:'name2'
     }
    ]
  }
  </code></pre>
  
  <p>How can i update name all the name field of Array 'array', with "Name" with single query?
  Thank you.</p>