make nullalble columns

ALTER TABLE `dtcm_order_item` CHANGE `channel` `channel` VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_bin NULL;
ALTER TABLE `dtcm_order_item` CHANGE `dtcm_basket_id` `dtcm_basket_id` VARCHAR(200) CHARACTER SET utf8 COLLATE utf8_bin NULL;
ALTER TABLE `dtcm_order_item` CHANGE `dtcm_order_id` `dtcm_order_id` VARCHAR(200) CHARACTER SET utf8 COLLATE utf8_bin NULL;
ALTER TABLE `dtcm_order_item` CHANGE `product_id` `product_id` INT(11) NULL;


add NEW TABLE


--
-- Table structure for table `dtcm_order_flow_health`
--

CREATE TABLE `dtcm_order_flow_health` (
  `id` int(11) NOT NULL,
  `order_id` int(11) DEFAULT NULL,
  `order_item_id` int(11) DEFAULT NULL,
  `dtcm_order_id` varchar(20) DEFAULT NULL,
  `basket_created` varchar(20) DEFAULT NULL,
  `buyer_added` varchar(20) DEFAULT '0',
  `buyer_edited` varchar(20) DEFAULT '0',
  `basket_purchased` varchar(20) DEFAULT '0',
  `barcode_updated` varchar(20) DEFAULT '0',
  `dtcm_order_item_logged` varchar(20) DEFAULT '0',
  `dtcm_refunded` varchar(20) DEFAULT '0'
) ENGINE=InnoDB DEFAULT CHARSET=latin1;


--
-- Indexes for table `dtcm_order_flow_health`
--
ALTER TABLE `dtcm_order_flow_health`
  ADD PRIMARY KEY (`id`);

--
-- AUTO_INCREMENT for dumped tables
--

--
-- AUTO_INCREMENT for table `dtcm_order_flow_health`
--
ALTER TABLE `dtcm_order_flow_health`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=1;