Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, BSTYP, BSART, PR1AK, PR1TL, PR1VK, PR1PR, PR2AK, PR2TL, PR2VK, PR2PR, PR3AK, PR3TL, PR3VK, PR3PR, PR4AK, PR4TL, PR4VK, PR4PR FROM T161Z