title: Take a snapshot for a table in oracle
body: <p>I have a table called &quot;col&quot; - This table is updated every month.</p>
  <p>what i want is to take snapshot (updated version) for that table every period of time.</p>
  <p>my question is how to take snapshot for that table in oracle ?</p>
  <p>EDIT: my DB version is 19c</p>