Selecting cells using keyboard shortcuts
This is a list of some shortcuts I consider useful. If you have some other, please leave comment.
Go to the end of table
CTRL+arrow
Select cells to the end of table
CTRL+SHIFT+arrow
Select whole table
CTRL+*
Select the entire column on a sheet
CTRL+SPACEBAR
Select the entire row on a sheet
SHIFT+SPACEBAR
Select the entire worksheet
CTRL+A
Select cells that are not next to each other
Press SHIFT+F8 and then do simple selection by mouse.
Or hold CTRL and do selection by mouse.