$out
Reference group: Pipeline stages
What it does
Writes results to a collection, replacing its contents according to $out semantics.
Syntax
{$out: "collectionName"}
Use case
Build a report collection.
Important notes
Understand replacement behavior.
$out: practical example
{ $out: "monthlyReport" }💡 Explanation
Writes results to a collection, replacing its contents according to
$out semantics.
When to use it
Build a report collection.
Caution
Understand replacement behavior.Key Takeaways
- Writes results to a collection, replacing its contents according to
$outsemantics. - Typical use: Build a report collection.