Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, TABNR, TABSEQNR, BEGUZ, ENDUZ, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY, SAWEEKS, EAWEEKS, SCHEDELEBEG, SCHEDELEEND, XDATES, RECFRQ, RECINT, X_WEEKS, X_MONTHS, OIMONTH, ROOM_OBJID, ROOM_RETID, INSTR_OTYPE, INSTR_OBJID, INSTR_RETID, INSTR_PROZT FROM HRT1716