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Projection Operators

Projection operators specify the fields returned by an operation.

Note

find() operations on views do not support the following projection operators:

Note

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

Name
Description
$
Projects the first element in an array that matches the query condition.
Projects the first element in an array that matches the specified $elemMatch condition.
Projects the available per-document metadata.
Limits the number of elements projected from an array. Supports skip and limit slices.
←  $bitsAnySet$ (projection) →
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