Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, KALSM, MWSKZ, PRUEF, MWART, XMSTU, ZMWSK, EGRKZ, XSLTA, PROCD, TXIND, TXREL, LSTML, J_1BUSAGE, J_1BISS, J_1BTAXLW1, J_1BTAXLW2, J_1BTXICEX, J_1BTXIPEX, TOLERANCE, ZMWSK_ESA, ZMWSK_ESE, NEWDEFTAX, J_1BTAXLW4, J_1BTAXLW5, XINACT FROM T007A