Use the column checkboxes to build your query. Header columns sets/unsets all columns. For Create statements, use Allow Null checkboxes and default values inputs to tailor query as required.
SELECT MMUK01, MMCRMMMLCT, MMCRMMMLCET, MMMMGE, MMCRMMMTID, MMMMDTP, MMMMELTID, MMMMETL FROM F90CA23B