Oracle modify primary key關於「Oracle foreign key」標籤，搜尋引擎有相關的訊息討論：
13.1.17.5 FOREIGN KEY Constraints - Oracle Help Centerdocs.oracle.com › mysql-5.6-en › create-table-foreign-keysFinding Foreign Key Referenced Table and Column — oracle-techcommunity.oracle.com › ... › SQL & PL/SQLForeign Keys - Ask TOMasktom.oracle.com › pls › apexUndersta