7. Query for Embedded Documents | Nested Fields condition in mongodb |check if a nested field | in Hindi


In this tutorial we will learn MongoDB provides you read operations to retrieve embedded/nested documents from the collection or query a collection for a embedded/nested document. You can perform read operations using the db.collection.find() method. This method selects or views embedded/nested documents of the collection and returns the cursor to the selected document.
Accessing embedded/nested documents –
In MongoDB, you can access the fields of nested/embedded documents of the collection using dot notation and when you are using dot notation, then the field and the nested field must be inside the quotation marks.

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