Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, DCT_PERNR, DCT_SEQNR, DCT_ROWID, ATYPE, AMTPD_OP, AMTSPD_OP, AR_RELOP, TOTAR, ARRS_PRP, AR_TOPAY, ARRS_PRY, MPT FROM P2RG_NIRA