Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, GSART, FISKN, KNRZA, LIFNR, BBBNR, BBSNR, BUBKZ, BEGRU, BRSCH, KONZS, COUNC, CITYC, STCD1, STCD2, STKZA, STKZU, XZEMP, VBUND, STCEG FROM TZD0A