SQL Developer can start a new tab every time you select a database object to view; but, you will have to close the tab manually.
Set this in:
Tools->Preferences->Database->ObjectViewer->Automatically Freeze Object Viewer Windows
SQL Developer can start a new tab every time you select a database object to view; but, you will have to close the tab manually.
Set this in:
Tools->Preferences->Database->ObjectViewer->Automatically Freeze Object Viewer Windows