title: i need to update the column in the table has aaa@gmail.com
body: <p>I have a table with a column named <code>email</code>. I inserted into values like <code>aaaaa</code>. I need to update all the columns into <code>aaa@gmail.com</code>.</p>
  
  <p>How to write a query for this? Please suggest.     </p>