關於「SQL PK」標籤，搜尋引擎有相關的訊息討論：

SQL PRIMARY KEY Constraint - W3Schoolswww.w3schools.com › sql › sql_primarykeySQL Server: drop table primary key, without knowing its namestackoverflow.com › questions › sql-server-drop-table-pri...Working with Primary & Foreign key Constraint in SQL Serverwww.youtube.com ›