SQL Server 2005 Shortcut Keys
      Below I am giving generally used shortcut keys in SQL Server 2005 :
    *  Cancel a query. ALT+BREAK
    *  Connections: Connect. CTRL+O
    *  Connections: Disconnect. CTRL+F4
    *  Connections: Disconnect and close child window. CTRL+F4
    *  Database object information. ALT+F1 (i.e Structure Of Table etc. ) Equivalent to sp_help)
    *  Editing: Clear the active Editor pane. CTRL+SHIFT+DEL
    *  Editing: Comment out code. CTRL+SHIFT+C
    *  Editing: Decrease indent. SHIFT+TAB
    *  Editing: Increase indent. TAB
    *  Editing: Delete through the end of a line in the Editor CTRL+DEL
    *  Editing: Find. CTRL+F
    *  Editing: Go to a line number. CTRL+G
    *  Editing: Make selection lowercase. CTRL+SHIFT+L
    *  Editing: Make selection uppercase. CTRL+SHIFT+U
    *  Editing: Remove comments. CTRL+SHIFT+R
    *  Editing: Replace. CTRL+H
    *  Execute a query. CTRL+E , F5
    *  Help for the selected TSQL statement. SHIFT+F1
    *  Navigation: Switch between query and result panes. F6
    *  Navigation: Switch panes. Shift+F6
    *  New Query window. CTRL+N
    *  Object Browser (To show/hide). F8
    *  Object Search. F4
    *  Parse the query for checking syntax. CTRL+F5
    *  Print. CTRL+P
    *  Results: Display results in grid format. CTRL+D
    *  Results: Display results in text format. CTRL+T
    *  Results: Save results to file. CTRL+SHIFT+F
    *  Results: Show Results pane (toggle). CTRL+R
    *  Save. CTRL+S
    *  Tuning: Index Tuning Wizard. CTRL+I
    *  Change / Select Database. CTRL+U