Connection string with standard security:
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=DATABASE_FULL_PATH;User Id=admin;Password=;
Examples of DATABASE_FULL_PATH:
C:\Domains\yourdomain.com\yourdomain.com\wwwroot\App_Data (For DNP and WSP)
C:\Domains\yourdomain.com\httpdocs\App_Data (For Plesk)
C:\Domains\yourdomain.com\wwwroot\App_Data (For Helm)