オブジェクトの作成・更新日時の取得

SELECT OBJECT_NAME, OBJECT_TYPE, TO_CHAR(CREATED, 'YYYY.MM.DD HH24:MI:SS'), TO_CHAR(LAST_DDL_TIME, 'YYYY.MM.DD HH24:MI:SS') FROM USER_OBJECTS WHERE OBJECT_NAME = 'MY_PACKAGE';