Sql Server:
Data Source=127.0.0.1;Initial Catalog=xxxxxxDB;User Id=xxxUser;Password=xxxxxxpwd;
Scaffold-DbContext -Force "Data Source=127.0.0.1;Initial Catalog=xxxxxxDB;User Id=xxxUser;Password=xxxxxxpwd;" Microsoft.EntityFrameworkCore.SqlServer -OutputDir Models
MySQL
server=127.0.0.1;user id=xxuser;password=xxxpassword;persistsecurityinfo=True;port=3306;database=xxxdb