MYSQL primary key use btree 是什么含义了解一下

时间:2023-02-06 18:56:25
CREATE TABLE `sth_definition` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`analyseId` bigint(20) DEFAULT NULL,
`levelCondition` varchar(2048) DEFAULT NULL,
`filed1` double DEFAULT NULL,
`dfdf` double DEFAULT NULL,
`dfsdf` double DEFAULT NULL,
`dfdf` varchar(255) DEFAULT NULL,
`sf` varchar(255) DEFAULT NULL,
PRIMARY KEY (`id`) USING BTREE,
KEY `id` (`id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=7974 DEFAULT CHARSET=utf8

primary key use btree 是什么含义了解一下