$sql = "ALTER TABLE `business_tmobile` CHANGE `id` `id` INT(11) NOT NULL AUTO_INCREMENT, CHANGE `product_code` `product_code` VARCHAR(255) NOT NULL, CHANGE `brand_name` `brand_name` VARCHAR(255) NOT NULL, CHANGE `level1` `level1` VARCHAR(255) NOT NULL, CHANGE `level3` `level3` VARCHAR(255) NOT NULL, CHANGE `level4` `level4` VARCHAR(255) NOT NULL, CHANGE `description` `description` VARCHAR(255) NOT NULL, CHANGE `buyat_short_deeplink_url` `buyat_short_deeplink_url` TEXT NOT NULL, CHANGE `image_url` `image_url` TEXT NOT NULL, CHANGE `online_price` `online_price` FLOAT( 8,2) NOT NULL, CHANGE `fieldA` `fieldA` VARCHAR(255) NOT NULL, CHANGE `model` `model` VARCHAR(255) NOT NULL, CHANGE `tariff_name` `tariff_name` VARCHAR(255) NOT NULL, CHANGE `contract_term` `contract_term` TEXT NOT NULL, CHANGE `minutes` `minutes` TEXT NOT NULL, CHANGE `texts` `texts` TEXT NOT NULL, CHANGE `data` `data` TEXT NOT NULL";