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, PIN_STAG_INCR, PIN_LOSS_OF_PAY, PIN_INC_DONE, PIN_RELEVANT, PIN_INC_TYPE, PIN_WHOLD_TYP, PIN_WHOLD_REASON FROM PA0902