關於「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-...ALTER TABLE COLUMN ADD INDEX | QuestDBquestdb.io › docs › reference › sql › alter-table-alter-colu...What is the difference between CREATE INDEX and ALTER TABLE ...d