Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT CLIENT, REQNO, REQLLINE, COUNTER, REQSLINE, LOGICAL_SYSTEM, CLASSNAME, CLASSTYPE, OBJKEY, DOC_ID, DOC_VER_NO, DOC_VAR_ID, DESCRIPTION, DEL_IND, LINE_TYPE, INTERNAL_IND FROM REQATT