Bookmarks are quick access links to objects of a database. They appear in the project tree inside the Projects or Project Explorer views.
To create a bookmark:
In the Database Navigator or under Connections node of the Projects view, click the database object of interest to set focus on it.
Press CTRL+d. The Bookmark Name dialog box appears.
In the Bookmark Name field, enter the bookmark name, then in the Bookmark folder field, click the folder, and then click OK:
The bookmark appears in the selected folder of the related project.
To open an object using its bookmark, double-click the bookmark or right-click it and click Open Bookmark on the context menu. You can rename and delete bookmarks using the context menu as well.