Logical Query Operators

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This version of the documentation is archived and no longer supported. To upgrade your 5.0 deployment, see the MongoDB 6.0 upgrade procedures.

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 Enterprise: The subscription-based, self-managed version of MongoDB
MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB

For details on a specific operator, including syntax and examples, click on the link to the operator's reference page.

Name	Description
`$and`	Joins query clauses with a logical `AND` returns all documents that match the conditions of both clauses.
`$not`	Inverts the effect of a query expression and returns documents that do not match the query expression.
`$nor`	Joins query clauses with a logical `NOR` returns all documents that fail to match both clauses.
`$or`	Joins query clauses with a logical `OR` returns all documents that match the conditions of either clause.

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