TRUNCATE TABLE MID_PROCESS.ODS_SINGLEUSER_CALL_SECOND_T;      INSERT INTO MID_PROCESS.ODS_SINGLEUSER_CALL_SECOND_T
      SELECT V.* FROM
               (SELECT SUBSCRB_ID,
                       VISIT_AREACODE,
                       CALL_TIMES,
                       SUM(CALL_TIMES) OVER (PARTITION BY SUBSCRB_ID) ALL_CALL_TIMES,
                       ROW_NUMBER() OVER (PARTITION BY SUBSCRB_ID ORDER BY CALL_TIMES DESC) ROW_NUMBER
                FROM MID_PROCESS.ODS_CALL_AREA
                WHERE CALL_TIMES > 0 )V
      WHERE ROW_NUMBER <= 2;
      COMMIT;