Need Help with MongoDB Query on Nested Array Fields

MongoDB nested array query - Stack Overflow

After running some queries, I came to the conclusion that $in doesn't work for an array of arrays. You can use $elemMatch instead and it'll ...

Query an Array of Embedded Documents - MongoDB Manual v8.0

Query for a Document Nested in an Array · Specify a Query Condition on a Field in an Array of Documents · Specify Multiple Conditions for Array of Documents ...

Find an object in nested array of object - MongoDB

I am experimenting with the $in operator but I am having trouble using objects in the expression field. Please let me know the best practice to query this type of data. Thank you. 1 Like. Wai_Kun (Wai Kun) June 28, 2022, 10:54pm 2. I just ...

Need Help with MongoDB Query on Nested Array Fields

I'm facing issues while querying a MongoDB collection with documents containing nested array fields. Each document represents a product and ...

Query for array of nested arrays - Working with Data - MongoDB

Mongo playground · Use a map to create a new array for each element to show if an element of the array is a subset · Use a reduce to combine ($or) ...

Query an Array of Embedded Documents - MongoDB Manual v7.0

Query for a Document Nested in an Array · Specify a Query Condition on a Field in an Array of Documents · Specify Multiple Conditions for Array of Documents ...

Querying nested array "not working" - MongoDB

Hi folks, I'm not really sure why my simple query is not working. I just loaded a new collection into my atlas database.

Nested array operation for $all does not seem to work in mongodb

I am trying to find documents where any or all nested array elements must contain at least the values provided.

Nested arrays how to do query and update? - MongoDB

Hi Team, I have a collection with 5000k documents with multiple nested arrays. I want to update the prodId key from old to new value.

Query Nested Objects in MongoDB - Spark By {Examples}

To query a field in the nested object in MongoDB use the find() method by referring to the nested field using the dot notation.

MongoDB query double nested array - Working with Data

As you can see the field cohortsGroups is a double array of Objects. ... Let me know if I wasn't clear enough, any help would be appreciated.

Query on Embedded/Nested Documents - MongoDB Manual v8.0

To specify a query condition on fields in an embedded/nested document, use dot notation ( "field.nestedField" ). Note. When querying using dot notation, the ...

Query an Array - MongoDB Manual v8.0

MongoDB Manual: code examples for query operations on array fields. Learn how to query an array and an array element or field, query on the array field as a ...

MongoDB query optimisation for nested array of objects

Hi All,. I need help regarding query optimisation for nested array of objects. ... });. My issue is query always picks up the first index on field ...

MongoDB - Querying Nested Documents and Array of ... - YouTube

In this lecture we will have a look at how to query nested documents and array of nested documents in Mongodb.

How to get all elements for which at least one deeply nested object ...

Hi there, hope you're doing well. I come from relational databases, but I'd like to try out MongoDB. However, I'm stuck on how to query the ...

MongoDB query to get only specific fields in nested array documents?

To get only specific fields in nested array documents, use filteralongwithproject. Let us create a collection with documents − > db.demo342.

MongoDB query for nested array of specific object - Stack Overflow

Use $ for projection. Query 1. db.collection.find({ "people.age": { $in: [ 24 ] } }, { "people.$": 1 }). Sample Mongo Playground (Query 1).

How to fetch only specified array element from nested array present ...

How to get this specified result by MongoDB query? 1 Like ... Ok, so you need to query the document and modify the output. To ...

Flatten Nested MongoDB Collections, Fields & Arrays with Table View

Select the documents you want to export while on any Result Tab (Visual Query Builder, IntelliShell, SQL Query, Aggregation Editor), right-click ...