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edited Oct 29, 2020 at 3:37You need to make use of 2 concepts: mongodb's positional operator and simply using the numeric index for the entry you want to update.
The positional operator allows you to use a condition like this:
{"heroes.nickname": "test"}and then reference the found array entry like so:
{"heroes.$ // <- the dollar represents the first matching array key indexAs you want to update the 2nd array entry in "items", and array keys are 0 indexed - that's the key 1.
So:
> db.denis.insert({_id:"43434", heroes : [{ nickname : "test", items : ["", "", ""] }, { nickname : "test2", items : ["", "", ""] }]});Content Under CC-BY-SA license Array Update Operators | MongoDB Manual v7.0
WEBActs as a placeholder to update all elements in an array for the documents that match the query condition.
See results only from mongodb.comNode.js Driver v6.9
Overview. In this guide, you can learn how to use the following array update …
$ (update)
Update Documents in an Array. The positional $ operator facilitates updates …
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- Use the array operatorsto update single or multiple elements of arrays in MongoDB. The following will update "Marketing" to "Public Speaking" in the skillsarray field to all the documents. In the above example, {skills:"Marketing"} specifies the criteria to find all the documents where the skills array contains "Marketing"element. Second parameter ...
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Update Arrays in a Document - Node.js Driver v6.9 | MongoDB
WEBOverview. In this guide, you can learn how to use the following array update operators to modify an array embedded within a document: Positional Operator: $ All Positional …
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$ (update) | MongoDB Manual v7.0
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WEBActs as a placeholder to update all elements in an array for the documents that match the query condition.
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WEBTo update an array, you must do the following: Specify the update you want to perform. Specify what array elements to apply your update to. Perform an update operation using …
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