Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, MOD04, ENDKM, ENDDA, BEGDA, BEPWK, BEPMN, BEPKW, BEPJR, BBPWK, BBPMN, BBPKW, BBPJR, BPCTT, BCLNT, BCLT1, BEPPT, BBPPT, WAERS FROM T5BC0