Logical Query Operators
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Logical operators return data based on expressions that evaluate to true or false.
Compatibility
You can use logical query operators for deployments hosted in the following environments:
MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud
MongoDB Enterprise: The subscription-based, self-managed version of MongoDB
MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB
Operators
Note
For details on a specific operator, including syntax and examples, click on the link to the operator's reference page.
Name | Description |
|---|---|
Joins query clauses with a logical AND returns all documents that match the conditions of both clauses. | |
Inverts the effect of a query expression and returns documents that do not match the query expression. | |
Joins query clauses with a logical NOR returns all documents that fail to match both clauses. | |
Joins query clauses with a logical OR returns all documents that match the conditions of either clause. |