Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, SNAPSHOT_ID, OBJECT_ID, AI_GUID, AI_EXT_REF, AI_PROCESSOR, AI_RESPONSIBLE, AI_CATEGORY, AI_PRIORITY, AI_CASE_TYPE, AI_STATUS, AI_CLOSED_ON, AI_VALIDATED_ON, AI_VALIDATED_BY, AI_WORKFLOW_TYPE, AI_USE_CAPAPLAN, AI_SERIOUS, AI_IMPACT, AI_ORI_OBJ_ID, AI_ORI_OBY_TYPE, AI_ORI_OBJ_NAME, AI_CREATE_ON, AI_UPDATE_ON, AI_UPDATE_ON_TM, AI_UPDATE_BY, AI_REPORT_BY, AI_IS_ANONYMOUS, AI_ANO_NAME, AI_DUE_DATE, AI_DATE, AI_SOURCE, AI_PRIORITY_RA, AI_DURATION FROM GRFNDMAI