F5. Unfortunately, it looks as though its not possible to execute the statement in which the cursor is without selecting the SQL text first (as this in the case, for example, in Oracle SQL Developer or TOAD with ctrl+enter). ctrl+shift+f was pressed, the so called Management Studio tries to write a *rpt file (save as box opens). This can be undone with a ctrl+d.
ctrl+t | write output as text. Same as menu Query -> Results To -> Results to Text |
ctrl+d | write output into grid. Same as menu Query -> Results To -> Results to Grid |
ctrl+shift+f | write result to file. |
alt+break | cancel a running query. |
ctrl-alt-a | starts the Activity Monitor |
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\instance name\Providers. ctrl-alt-a, an icon in the menu bar or by right clicking on the instance in the Object explorer. HKEY_CURRENT_USER\SOFTWARE\Microsoft\SQL Server Management Studio\v.v_Config\ToolsOptionsPages. :setvar num 42 etc.). %ProgramFiles(x86)%\Microsoft SQL Server\nnn\Tools\Binn in which its executable Ssms.exe is found.