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I am beginners in NoSQL . I am coming from RDBMS database system. I am very confuse how to manage one to many and many to many relationship in NoSQL and database schema design I need a proper guideline where i understand the concept of relational mapping in NoSQL.

If any good book suggestion or any best tutorial .

Thanks in advance

tapos ghosh
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  • I would recommend taking a look at [this](https://stackoverflow.com/q/24096546/8574934) question and [this](https://docs.mongodb.com/manual/core/data-modeling-introduction/) page in the official documentation. – Mika Sundland Jan 15 '18 at 11:00

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In mongo you can create sub documents as array . Or if you are creating different collection , then you have to use lookup.

It is better to learning mongo feature using official web site. Because sometimes you get legacy code in tutorial.only you need to figure out the term to search.

Hamid Raza Noori
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