To open a new SQL Navigator window
Choose one of the following:
Choose the window from the View menu. (To open a visual object editor, choose an option from the View> Visual Object Editor menu.)
Click a button on the Functions toolbar.
In the DB Navigator or Workspace, double-click on an object to open it in an editing window.
To bring an open window to the foreground
Choose one of the following:
Click the window’s icon on the Task Bar
From the Windows menu, click a window identifier
Press Alt+0 (zero) to display the Window List and then click a window identifier