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 12009.

Error number: 12009

Severity level: 16

Event logged: Could not find the %S_MSG index ‘%.*ls’ on table ‘%.*ls’. Either no %S_MSG index with this name exists, or a non-%S_MSG index might be using the same name. Fix the index name, avoiding duplicates. If a relational index has the same name, drop the regular relational index.