title: Update All Rows in DataBase with a hash value
body: <p>Using Php &amp; MySQL, I want to Update All Rows of a Particular Column in The DataBase,</p>
  
  <p>Eg. : in The Column "Name" there is a Row which Contains "MyName",</p>
  
  <p>Here is my Scheme I am Trying To Achieve &amp; The Logic:</p>
  
  <ol>
  <li><p>Loop The DataBase</p></li>
  <li><p>Get the Current Value for each rows &amp; hash it with hash('...', value);</p></li>
  </ol>
  
  <p>Get the existing values for each rows &amp; hash it &amp; Update, This is How I want to Update The Full DataBase,</p>
  
  <p>How can I achieve this ?</p>