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Explain the structure of objectid in mongodb.?

Question Posted / shailendra misra


Explain the structure of objectid in mongodb.?..

Answer / Pankaj Kumar Tripathi

An ObjectID in MongoDB consists of 12 bytes, divided into three parts: a 4-byte timestamp (seconds since Unix epoch), a 3-byte machine ID, a 2-byte process ID, and a 3-byte counter incremented for each new ObjectID created on that specific process.

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