Explain what is ObjectId in MongoDB?
Sharad Jaiswal
Posted On: Jun 26, 2021
An ObjectId in MongoDB is a 12-byte BSON type in which the first 4 bytes of the ObjectId represent the time in seconds then the next 3 bytes of the ObjectId represent the machine identifier then again the next 2 bytes are of process id and the last Field is 3 bytes used for increment the objectid.
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