ObjectId
Reference group: BSON types and field properties
What it does
A 12-byte identifier commonly used for _id; includes a timestamp component.
Syntax
ObjectId("24-hex-character-string")
Use case
Document identifiers and references.
Important notes
Use explicit business timestamps for business events.
ObjectId: practical example
ObjectId("65a000000000000000000001")💡 Explanation
A 12-byte identifier commonly used for
_id; includes a timestamp component.
When to use it
Document identifiers and references.
Caution
Use explicit business timestamps for business events.Key Takeaways
- A 12-byte identifier commonly used for
_id; includes a timestamp component. - Typical use: Document identifiers and references.