             DESCRIPTION VARCHAR(1024) NULL DEFAULT NULL,
             SIDDHI_QUERY BLOB DEFAULT NULL,
             IS_DEPLOYED SMALLINT NOT NULL DEFAULT 0,
-            UUID VARCHAR(256),
+            UUID VARCHAR(256) NOT NULL,
             PRIMARY KEY (POLICY_ID),
             UNIQUE (UUID)
 )/

            DEFAULT_TIME_UNIT VARCHAR(25) NOT NULL,
            APPLICABLE_LEVEL VARCHAR(25) NOT NULL,
            IS_DEPLOYED SMALLINT NOT NULL DEFAULT 0,
            UUID VARCHAR(256),
            PRIMARY KEY (POLICY_ID),
            CONSTRAINT API_NAME_TENANT UNIQUE (NAME, TENANT_ID),
            UNIQUE (UUID)

            RATE_LIMIT_COUNT INT NULL DEFAULT NULL,
            RATE_LIMIT_TIME_UNIT VARCHAR(25) NULL DEFAULT NULL,
            IS_DEPLOYED SMALLINT NOT NULL DEFAULT 0,
	          CUSTOM_ATTRIBUTES BLOB DEFAULT NULL,
            STOP_ON_QUOTA_REACH SMALLINT NOT NULL DEFAULT 0,
            BILLING_PLAN VARCHAR(20) NOT NULL,
            UUID VARCHAR(256) NOT NULL,
            PRIMARY KEY (POLICY_ID),
            CONSTRAINT AM_POLICY_SUBSCRIPTION_NAME_TENANT UNIQUE (NAME, TENANT_ID),
            UNIQUE (UUID)
