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 8120.

Error number: 8120

Severity level: 16

Event logged: Column ‘%.*ls.%.*ls’ is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.