Change height and width of entire table, a table row, or column

Alt -resize

Select multiple cells

-click

Add columns or rows

Ctrl + -drag

Resize table interactively or add cells
and rows

Ctrl -drag

Add column at point of intersection

+

Delete current column

Delete

Delete current row

+ Backspace

Span columns, joining current cell
with cell to the right

+

Reduce column span, splitting
the current cell

+

Span rows, joining current cell
with cell below

+

Reduce row span, splitting the current cell

+

Move text cursor to next cell to the right

Tab

Move text cursor to next cell to the left

+ Tab

Switch from text entry
to cell selection mode

Ctrl + Enter

Switch from cell selection
to text entry mode

Enter

Select all cells in column

-click at top of column