Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, OPBEL, OPUPW, OPUPK, OPUPZ, LFDNR, MWSKO, MWVKO, SBETW, SBETH, SBET2, SBET3, KTOSL, KSCHL, STPRZ, SBASW, SBASH, TXJCD, TXCNT FROM DFKKOP_DP