Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, LAND, JAHR, MONAT, TAG, DATUM, MM_BE, MM_WE, MM_RE, MM_ZF, SD_TA, SD_LI, SD_TR, SD_FA, SD_DZ, PP_FA, PP_WA, PP_RM, PP_WE, PP_AB, PP_SA, RT_BE, RT_WE, RT_RE, RT_UL, RT_LF, RT_LE, RT_KO, RT_WF, RT_PS FROM ZDG00