Microsoft SQL Server database ranks third in the relational database, second only to Oracle and MySQL database. when using it, it is inevitable to encounter various problems and warnnings. You may be dba or a developer, I hope this content can help you solve SQL Server error number 8151.

Error number: 8151

Severity level: 16

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