CREATE INDEX MySQL關於「Mysql ALTER TABLE ADD INDEX」標籤，搜尋引擎有相關的訊息討論：
How do I add indexes to MySQL tables? - Stack Overflowstackoverflow.com › questions › how-do-i-add-indexes-to-...MySQL 8.4 Reference Manual :: 15.1.15 CREATE INDEX Statementdev.mysql.com › doc › refman › create-indexAdding index to large mysql tables - DBA Stack Exchangedba.sta