title: How to create copy of full schema on same database in oracle
body: <p>I want to create full copy of the schema on the same database. What is the best technique to do that?</p>
  
  <p>I have few ideas in mind:</p>
  
  <ol>
  <li>Datapump Over Db link</li>
  <li>IMPDP on network link</li>
  <li>EXPDP and then IMPDP.</li>
  </ol>
  
  <p>What would be the advantages and/or drawbacks of each technique?</p>