關於「MySQL index type」標籤，搜尋引擎有相關的訊息討論：

8.3.1 How MySQL Uses Indexesdev.mysql.com › doc › refman › mysql-indexes14.6.2.1 Clustered and Secondary Indexes - MySQL :: Developer Zonedev.mysql.com › doc › refman › innodb-index-typesMySQL 8.0 Reference Manual :: 13.1.15 CREATE INDEX Statementdev.mysql.com › doc › refman ›