Valid-Timeテーブルの行パーティション化 - Teradata Database - Teradata Vantage NewSQL Engine

例: valid-timeテーブルの行パーティション化

   CREATE MULTISET TABLE Policy(
      Policy_ID INTEGER,
      Customer_ID INTEGER,
      Policy_Type CHAR(2) NOT NULL,
      Policy_Details CHAR(40),
      Validity PERIOD(DATE) NOT NULL AS VALIDTIME
      )
   PRIMARY INDEX(Policy_ID)
   PARTITION BY
     CASE_N(
      END(Validity)>= CURRENT_DATE AT INTERVAL - 12:59' HOUR TO MINUTE,
                   NO CASE);