關於「Oracle drop unique index constraint」標籤，搜尋引擎有相關的訊息討論：

is alter table drop constraint drop index syntactically vali... - Ask TOMasktom.oracle.com › ordsHow to drop a unique constraint from table column? - Stack Overflowstackoverflow.com › questions › how-to-drop-a-unique-co...DROP PRIMARY KEY doesn't drop the UNIQUE INDEXforums.ora