Relationships graph keyboard shortcuts (Windows)
Use the following shortcuts to navigate, select objects, move and resize tables, and issue commands in the relationships graph.
Table and relationship selection and arrangement shortcuts
 
Move the selection around the relationships graph, individually selecting tables, notes, or relationships
Move the selection to an object that includes text beginning with specific characters
Note  If multiple objects share initial characters, you can move the selection to the next occurrence by pressing Ctrl+G or typing the characters again.
Ctrl+Up Arrow, Ctrl+Down Arrow, Ctrl+Left Arrow, Ctrl+Right Arrow after selecting a table, or drag the selected table
Ctrl+Shift+Up Arrow, Ctrl+Shift+Down Arrow, Ctrl+Shift+Left Arrow, Ctrl+Shift+Right Arrow after selecting a fully expanded table
Note  To select by partially dragging around tables, press Ctrl while dragging.
Note  In Note mode, this command selects all notes, not tables.
Toggle the display state of selected tables or notes
(Tables can be displayed fully expanded, by table name alone, and by table name and related fields. Notes can be displayed expanded or collapsed.)
Relationships graph shortcuts
 
Note  Alt+click temporarily changes to Zoom Out mode.
Note  Alt+click temporarily changes to Zoom In mode.
Move the selection from the relationships graph to the command buttons and proceed from left to right
Move the selection through the command buttons from right to left and to the relationships graph from the Add Table command
Enter or Space bar to display the menu, Up Arrow or Down Arrow to make a selection in the menu, then Enter to issue the command