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 15166.

Error number: 15166

Severity level: 10

Event logged: Warning: User types created via sp_addtype are contained in dbo schema. The @owner parameter if specified is ignored.