Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, SNAPSHOT_ID, OBJECT_ID, PO_GUID, PO_POLICY_TYPE, PO_VALID_FROM, PO_VALID_TO, PO_VERSION_NUM, PO_POLICY_STATUS, PO_CREATED_BY, PO_CREATED_ON, PO_CREATED_ON_TM, PO_CHANGED_BY, PO_CHANGED_ON, PO_CHANGED_ON_TM, PO_REV_DUEDATE, PO_APPRO_DUEDATE, PO_PUBLISH_DATE, PO_REVISION_DATE, PO_POLICY_CATEG, PO_SURV_AVAIL, PO_QUIZ_AVAIL, PO_ACKN_AVAIL, PO_POLICY_OWNER, PO_RESP_ORG_ID, PO_RESP_ORG, PO_VIEW_PROFILE FROM GRFNDMPO