Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, DCT_PERNR, DCT_SEQNR, DCT_ROWID, CNTR1, TAXLV, TAXAU, TXSTA, NBREX, EICID, EXAMT, EXPCT, ADEXN, ADEXA, AMTEX, PEREX, DEPEX, EICST, EXTCD, SUPCD, RECIN, CERTF, TXCRD, IRSTS, IRSNE, IRSAE, RSIND, WKIND, UIIND, TYP01, FRM01, EXP01, TYP02, FRM02, EXP02, TYP03, FRM03, EXP03, TYP04, FRM04, EXP04, TYP05, FRM05, EXP05, TYP06, FRM06, EXP06, TYP07, FRM07, EXP07, TYP08, FRM08, EXP08, TYP09, FRM09, EXP09, TYP10, FRM10, EXP10, TYP11, FRM11, EXP11, TYP12, FRM12, EXP12, TYP13, FRM13, EXP13, TYP14, FRM14, EXP14, TYP15, FRM15, EXP15, TCCPM, NBQLC, FNR01, FNR02, FNR03, FNR04, FNR05, FNR06, FNR07, FNR08, FNR09, FNR10, FNR11, FNR12, FNR13, FNR14, FNR15, NXIND, PRWTA, RTA01, RTA02, RTA03, RTA04, RTA05, RTA06, RTA07, RTA08, RTA09, RTA10, RTA11, RTA12, RTA13, RTA14, RTA15, COUWH, COIND, REIND, PRFEI FROM P2RU_TAX