estimatedDocumentCount()
Reference group: Collection CRUD methods
What it does
Returns a metadata-based estimate for the collection total.
Syntax
db.collection.estimatedDocumentCount()
Use case
Fast approximate total when no filter is needed.
estimatedDocumentCount(): practical example
db.orders.estimatedDocumentCount()💡 Explanation
Returns a metadata-based estimate for the collection total.
When to use it
Fast approximate total when no filter is needed.
Key Takeaways
- Returns a metadata-based estimate for the collection total.
- Typical use: Fast approximate total when no filter is needed.