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- Array Update Operators
Array Update Operators¶
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Update Operators¶
Name | Description |
---|---|
$ |
Acts as a placeholder to update the first element that matches the query condition in an update. |
$addToSet |
Adds elements to an existing array only if they do not already exist in the set. |
$pop |
Removes the first or last item of an array. |
$pullAll |
Removes all matching values from an array. |
$pull |
Removes items from an array that match a query statement. |
$pushAll |
Deprecated. Adds several items to an array. |
$push |
Adds an item to an array. |