關於「ALTER TABLE PRIMARY KEY」標籤，搜尋引擎有相關的訊息討論：

ALTER PRIMARY KEY | CockroachDB Docswww.cockroachlabs.com › docs › stable › alter-primary-keyHow to add a primary key and foreign key to an existing table in ...stackoverflow.com › questions › how-to-add-a-primary-ke...SQL PRIMARY KEY Constraint - W3Schoolswww.w3schools.com › s