SQL Server Error Msg 21665 – Key [%s] contains unique nullable column.

In this blog post, let’s learn about the error message “21665 – Key [%s] contains unique nullable column.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.

SQL Server Error Message

21665 – Key [%s] contains unique nullable column.

Reason for the Error

To be update soon…

Solution

To be update soon…