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What is populate in Mongoose?

populate() in Mongoose automatically replaces referenced ObjectIds with actual related documents. It provides functionality similar to joins in relational databases and simplifies working with relationships between collections.

Related Drills

What is MongoDB and why is it used?

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What is the difference between SQL and MongoDB?

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What are Collections and Documents in MongoDB?

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Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.