セキュリティ制約オブジェクト定義 - Teradata Database - Teradata Vantage NewSQL Engine

この例では、1つの機密度ラベルを構成する2つの制約オブジェクトを定義します。

   CREATE CONSTRAINT Classification_Level SMALLINT, NOT NULL,
      VALUES (TopSecret:4, Secret:3, Confidential:2, Unclassified:1),
         INSERT SYSLIB.InsertLevel,
         UPDATE SYSLIB.UpdateLevel,
         DELETE SYSLIB.DeleteLevel,
         SELECT SYSLIB.ReadLevel;

   CREATE CONSTRAINT Classification_Category BYTE(8),
   /* leave room for 64 categories, nulls are allowed */
      VALUES (NATO:1, UnitedStates:2, Canada:3, UnitedKingdom:4,
              France:5, Norway:6, Russia:7),
         INSERT SYSLIB.InsertCategory,
         UPDATE SYSLIB.UpdateCategory,
         DELETE SYSLIB.DeleteCategory,
         SELECT SYSLIB.ReadCategory;