title: Column in seconds.milliseconds to MIN:SS postgresql
body: <p>I've a column with values in seconds.milliseconds and want to convert it to MI:SS.
  How do I do it??</p>
  
  <p>I saw this question <a href="https://stackoverflow.com/questions/2905692/postgresql-how-to-convert-seconds-in-a-numeric-field-to-hhmmss/2905726#2905726">here</a> which allowed me to convert when the values were only in seconds.
  Expected result: 235.00 = 3.55</p>
  
  <p>I tried doing this: </p>
  
  <pre><code>SELECT to_char(mycolumn ||'seconds.milliseconds')::interval 'MI.SS');
  </code></pre>
  
  <p>Doesn't really help!</p>