where can I find good courses about nosql DB and what basics I need to know before starting??

Answer 1

Codeschool has a course that serves as an introduction. In the same way in Coursera and Udemy there is a lot of content on the subject.

In the same way you can always check the documentation of the DB to learn

https://www.codeschool.com/courses/the-magical-marvels-of-mongodb...

Answer 2

Thank you ~