title: query multiple database connections with sql developer
body: <p>I have 2 database in ORACLE SQL DEVELOPER connections, con1 and con2 (with different schemas)</p>
  
  <p>I need to create a view, based on columns from both db's , the method:</p>
  
  <pre><code>Create VIEW testviewAS (SELECT col1, col2, col3 FROM con1.table1);
  ALTER VIEW AS (SELECT col1, col2, col3 FROM con2.table2);
  </code></pre>
  
  <p>It doesn't work.</p>