Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, DCT_PERNR, DCT_SEQNR, DCT_ROWID, SEQNO, LGART, FPPER, IPERI, BONDT, CKDAT, CBDAT, REPYR, ABKRS, PAYTY, PAYID, JUPER, OVHRS, OBHRS, OVAMT, OBAMT, WAERS, INDRI, REAMT, PFGRV, TFGRV, PERNR, SUBTY, OBJPS, SPRPS, ENDDA, BEGDA, SEQNR, APZNR, C1ZNR, IPEND, INPTY, INPID, OSEQN FROM P2RU_CLM