關於「SQL PRIMARY KEY」標籤，搜尋引擎有相關的訊息討論：

SQL PRIMARY KEY Constraint - W3Schoolswww.w3schools.com › sql › sql_primarykeySQL PRIMARY KEY Keyword - W3Schoolswww.w3schools.com › sql › sql_ref_primary_keyWorking with Primary & Foreign key Constraint in SQL Serverwww.youtube.com › watchHow to add a primary key and forei