Array Update Operators
On this page
For details on specific operator, including syntax and examples, click on the specific operator to go to its reference page.
Acts as a placeholder to update the first element that matches the query condition.
Acts as a placeholder to update all elements in an array for the documents that match the query condition.
Acts as a placeholder to update all elements that match the
Adds elements to an array only if they do not already exist in the set.
Removes the first or last item of an array.
Removes all array elements that match a specified query.
Adds an item to an array.
Removes all matching values from an array.
Update Operator Modifiers
← $unset$ (update) →