The following is a sample MySQL connection string:

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development: Build applications with C#, .NET Core, Entity Framework Core, ASP.NET Core, and ML.NET using Visual Studio Code, 4th Edition
ASP.NET Core 3 and Angular 9: Full stack web development with .NET Core 3.1 and Angular 9, 3rd Edition
C# in Depth, 4th Edition

Server=127.0.0.1;Uid=user;Pwd=userpassword;Database=allusers;

In this example, the MySqlConnection object is configured to connect to a MySQL server at 127.0.0.1, with a user name of user and a password of userpassword. The default database for all statements will be the allusers database.