關於「SQL unique ID」標籤，搜尋引擎有相關的訊息討論：

SQL Server create an ID for each distinct value in a columnstackoverflow.com › questions › sql-server-create-an-id-fo...SQL UNIQUE Constraint - W3Schoolswww.w3schools.com › sql › sql_uniqueuniqueidentifier (Transact-SQL) - SQL Server - Microsoft Learnlearn.microsoft.com › ... ›