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How to create primary/foreign key relationships in mongodb?

Question Posted / deeksha jindal


How to create primary/foreign key relationships in mongodb?..

Answer / Anuj Baliyan

MongoDB does not support traditional primary and foreign key relationships as in relational databases. Instead, MongoDB uses a document-oriented approach where each document can contain its own unique _id field, and you can reference other documents by their _id value. To create a relationship between two collections, you would store the _id of the referenced document in the referring collection.

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