I need to work with large table. Something like in this illustation image will be helpfull for better orientation:

Is there some settings which makes this possible?
I need to work with large table. Something like in this illustation image will be helpfull for better orientation:

Is there some settings which makes this possible?
Not exactly as requested, but SHIFT+SPACE / CTRL+SHIFT+SPACE selects current row / column respectively (at least in LibreOffice Calc - i didn't test it with OpenOffice!). To unselect, just move the selection using the cursor keys.