ALTER TABLE `psh_inquires` CHANGE `contact_name` `inq_user_name` VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL, CHANGE `contact_email` `inq_user_email` VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL, CHANGE `contact_phone` `inq_user_phone` VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;