How to create join with mongoDB

Answer 1

Only left JOIN was possible since it's not a RDBMS, concluded from search

https://www.google.com/search?q=join+in+mongodb

Answer 2

For this purpose, we have something called embed and object reference in mongodb.

It is similar to how we have foreign key in RDBMS.

For better understanding, visit:- https://mongoosejs.com/docs/populate.html