Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, DCT_PERNR, DCT_SEQNR, DCT_ROWID, CNTR1, BEGDA, ENDDA, IDP, INGR, INDP, EMFSL, CONNR, REFNO, INCODE, ERPER, IDA, ACRSGR, UNGR, EMFSLI, CONNRI, SOSEC, SOHNR, IDP2, IDA2, TAUTH, SIEXM, NSIEX, FSIEX FROM P2FI_SI