title: Oracle: how to get percent of total by a query?
body: <p>I have the following query and its result is very unexpected to me:</p>
  <pre><code>select stato, (count(1) *100) / sum(1)
  from LOG_BONIFICA
  group by stato;
  </code></pre>
  <p>it returns 100 for all rows. Should it be different ?</p>