Knex error mysql module

Hi.

Can help me?
Knex: run
$ npm install mysql --save
Cannot find module ‘mysql’
I Install bp 12 from bp page, the knex in ok, but cannot use myql?
Some Link or tutorial?

tanks.
Joe.

@joseo Please have a look at below tutorial

Hi.
I recive “yarm not found” from log
I need develp from Source, i install node and the same response.
Can you tell me how to use yarm?
tank
joe.

Please go through this