I know that we can use
to get Yii’s db connection easily, but what if I have a second database, how can I globalize a database connection?
I now use Mongodb(a nosql database) with mysql, but I have to connect to it every time I use it with
Is it possible to connect to it once and always use this connection?
Generally HTTP Are Connection less though in Web Framework used Connection less, Yii followed that one
Use an application component if you need "global" access to it and configure it in your main config. Then you can access it via Yii::app()->mongo or whatever.