Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, DATE_SYPO, BKKRS, SYST_TO, APPL_TO, SYST_FROM, APPL_FROM, RCN_NO_FROM, WAERS, ITEMTYPE, XCRED, PSTSUM, PSTCNT, ENQPSTSUM, ENQPSTCNT, ENQRELSUM, ENQRELCNT, ENQPRESUM, ENQPRECNT, PREPSTSUM, PREPSTCNT, PREREJSUM, PREREJCNT, PRERELSUM, PRERELCNT FROM BKKI6