NEWSEQUENTIALID (Transact-SQL)
https://dotblogs.com.tw/jamesfu/2016/01/20/guid_2
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
[C#.NET][Entity Framework] 在 Code First 實作具有排序功能的 Guid
https://dotblogs.com.tw/jamesfu/2016/01/20/guid_2
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]