SQL Server Error Msg 8151 – Both a PRIMARY KEY and UNIQUE constraint have been defined for column ‘%.*ls’, table ‘%.*ls’. Only one is allowed.

In this blog post, let’s learn about the error message “8151 – Both a PRIMARY KEY and UNIQUE constraint have been defined for column ‘%.*ls’, table ‘%.*ls’. Only one is allowed.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.

SQL Server Error Message

8151 – Both a PRIMARY KEY and UNIQUE constraint have been defined for column ‘%.*ls’, table ‘%.*ls’. Only one is allowed.

Reason for the Error

To be update soon…

Solution

To be update soon…