CREATE TABLE `twitter_content` (
  `user_id` VARCHAR(50) NOT NULL,
  `user_name` VARCHAR(100) NOT NULL,
  `timestamp` BIGINT NOT NULL,
  `date_time` VARCHAR(50) NOT NULL,
  `text` TEXT NOT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  UNIQUE KEY `uk_user_timestamp` (`user_id`, `timestamp`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;