The MongoDB Aggregation Framework provides a means to reshape and aggregate data in MongoDB 2.2+.
Is there a way to convert string to date using custom format using mongodb shell I am trying to convert "21/…
mongodb mongodb-query aggregation-frameworkFor some collection with a field { wins: Number }, how could I use MongoDB Aggregation Framework to get the total number …
mongodb aggregation-frameworkI want to convert ObjectID (Mongodb) to String in JavaScript. When I get a Object form MongoDB. it like as …
javascript mongodb aggregation-frameworkThe main collection is retailer, which contains an array for stores. Each store contains an array of offers (you can …
mongodb mongodb-query aggregation-frameworkThis is my first day with MongoDB so please go easy with me :) I can't understand the $unwind operator, maybe …
mongodb aggregation-frameworkI have a collection full of documents with a created_date attribute. I'd like to send these documents through an …
mongodb aggregation-frameworkI know the theory of MongoDB and the fact that is doesn't support joins, and that I should use embeded …
mongodb mongodb-query aggregation-frameworkI have the following problem retrieving data from MongoDB using mongoose. Here is my Schema: const BookSchema = new Schema( { _id:…
regex node.js mongodb mongodb-query aggregation-frameworkIs it possible to do an OR in the $match? I mean something like this: db.articles.aggregate( { $or: [ $match : { …
mongodb aggregation-frameworkHave the two following collections: // collection1: { user1: 1, user2: 2, percent: 0.56 } // collection2: { user1: 1, user2: 2, percent: 0.3 } I want to join these two collections …
mongodb join mongodb-query aggregation-framework