You can hide or show the toolbar in the application window. You can customize the toolbar, for this, go to Window -> Customize Perspective -> Tool Bar Visibility tab. Only enabled buttons are applicable to the active view or editor. The sets of enabled and disabled buttons change depending on which editor is currently active in the workspace. Some of the buttons are enabled (colored), others are disabled (grey). The toolbar contains buttons for the most basic and frequently used commands: You can customize the menu bar and the list of menu items to display, for this, go to Window -> Customize Perspective -> Menu Visibility tab.
NAVIGATION PANE TITLE BAR ACCESS DRIVER
Connecting to Oracle Database using JDBC OCI driver.Installing extensions - Themes, version control, etc.