$all
Reference group: Query filter operators
What it does
Requires all listed values in an array.
Syntax
{ array: { $all: [values] } }
Use case
Find records with all labels.
$all: practical example
db.articles.find({ tags: { $all: ["mongodb", "indexing"] } })💡 Explanation
Requires all listed values in an array.
When to use it
Find records with all labels.
Key Takeaways
- Requires all listed values in an array.
- Typical use: Find records with all labels.