表T1 的结构如下:Create Table: CREATE TABLE `ts` (
`id` int NOT NULL,
`account` varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
`name` varchar(30) COLLATE utf8mb4_bin DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `a_index` (`account`)
) ENGINE=InnoDB
请问该构成该表表空间文件的逻辑结构段(segment)有几个()【单选】?