title: How do I use a schema not based on the connection for database diff feature?
body: <p>I want to run the SQL Developer database diff feature on schemas different  than the schema associated with the SQL Developer connection (my userid).</p>
  
  <p>I log in with my userid but want to use one of the production schema for the comparison.  The DBAs control the credentials for the production schemas; my userid can see the production schema objects.  We have multiple production databases and want to check for difference in the objects' DDL across the various production schemas.</p>
  
  <p>I tried <code>alter session set current_schema = prod_schema;</code>.
  This did not work and the diff report is based on objects under my userid ( I have no objects under my userid in production).<br></p>
  
  <p>I use the GUI for the "diff wizard" in SQL Developer.  No code.</p>
  
  <p>Desired results would list the differences for the production schemas.
  Actual results are 0 results since my userid in the production database does not have any objects.</p>