關於「Primary key Access」標籤，搜尋引擎有相關的訊息討論：

Add a primary key to a table in Access - Microsoft Supportsupport.microsoft.com › en-us › office › add-a-primary-ke...Add or change a table's primary key in Access - Microsoft Supportsupport.microsoft.com › en-us › office › add-or-change-a-...Access Custom Primary Keys - Stack