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Object expression operators perform operations on objects and object properties.
| Description | |
|---|---|
$mergeObjects |
The $mergeObjects operator merges multiple documents into a single document |
$objectToArray |
The objectToArray command is used to transform a document (object) into an array of key-value pairs. |
$setField |
The setField command is used to add, update, or remove fields in embedded documents. |