$min/$max
Reference group: Arithmetic expressions
What it does
Returns minimum or maximum according to BSON comparison semantics.
Syntax
Accumulator/expression form depends on context
Use case
Find grouped ranges.
$min/$max: practical example
{ $group: { _id: "$category", lowest: { $min: "$price" }, highest: { $max: "$price" } } }💡 Explanation
Returns minimum or maximum according to BSON comparison semantics.
When to use it
Find grouped ranges.
Key Takeaways
- Returns minimum or maximum according to BSON comparison semantics.
- Typical use: Find grouped ranges.