   `tariffsurchargeval` double DEFAULT NULL,
   `tariffsurchargeAds` double DEFAULT NULL,
   `tariffsurchargeOpco` double DEFAULT NULL,
-  `createdby` varchar(255) NOT NULL,
+  `createdby` varchar(255) DEFAULT NULL,
   `createddate` TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
   `updatedby` varchar(255) DEFAULT NULL,
   `updateddate` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,

  `currencyid` int(11) NOT NULL AUTO_INCREMENT,
  `currencycode` varchar(45) NOT NULL,
  `currencydesc` varchar(45) DEFAULT NULL,
  `createdby` varchar(255) NOT NULL,
  `createddate` TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
  `updatedby` varchar(255) DEFAULT NULL,
  `updateddate` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,

  `rate_typeid` int(11) NOT NULL AUTO_INCREMENT,
  `rate_typecode` varchar(45) NOT NULL,
  `rate_typedesc` varchar(45) DEFAULT NULL,
  `createdby` varchar(255) DEFAULT NULL,
  `createddate` TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
  `updatedby` varchar(255) DEFAULT NULL,
  `updateddate` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
