Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, PERNR, SUBTY, OBJPS, SPRPS, ENDDA, BEGDA, SEQNR, AEDTM, UNAME, HISTO, ITXEX, REFEX, ORDEX, ITBLD, PREAS, FLAG1, FLAG2, FLAG3, FLAG4, RESE1, RESE2, GRPVL, POSMT, POSPS, POSAG, POSNO, POSOF, SSTLZ, LAND2 FROM PB3366