MongoDB is a scalable, high-performance, open source, document-oriented database. It supports a large number of languages and application development platforms. Questions about administrating it can be asked on dba.stackexchange.com

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3
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1answer
251 views

Do serialization functions belong in a model or a controller?

I'm developing an application where: Models keep data as a multi-dimensional array, which are saved as-is to a MongoDB database. The model is used to provide methods to manipulate the data, and ...
1
vote
1answer
114 views

Confused in NoSql data model

I have a web application that uses MongoDB as primary database. This is the first project I do with a NoSQL DB. I'm trying to create the application model but I'm confused. I know NoSQL databases are ...
5
votes
1answer
2k views

How to model hashtags with nodejs and mongodb

Existing architecture: nodejs server with mongodb backend. I have strings coming in describing images that can have #hashtags in them. I wish to extract the hashtags from the strings, store the ...
3
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0answers
37 views

inserting json document with `.` in key to mongodb

Firstly, this is more of a design question than a programming question. I am creating an application where I have to fetch existing json data and insert it into mongoDB. I found that some of the the ...
1
vote
1answer
207 views

MongoDB Embedded vs Reference Private info

I have searched extensively for a similar Mongo schema design and can't find relevant examples. I have a store (with public info), each store has an account (with private account info). // store ...
0
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3answers
153 views

What is the best way to go about storing application options: file system or db? [closed]

We are looking to find the best way to store user options (skills, degrees, industries, languages, etc.) for drop downs. The options are between a JSON file we can store on the server file system or ...
2
votes
1answer
42 views

Best-matching comparative values using all items in array

I have two arrays of objects (items) in the exact same format. Each item represents a wager, and each array represents one of two outcomes for that wager (ex: Team A vs Team B). Both arrays look ...
1
vote
1answer
74 views

Proper tree NoSQL structure with focus on full-text searching

I developing an app with tree(folder-file) structure, on which I should perform full-text searches with MongoDB. I did a research on the best tree structure practices and found this great article, but ...
0
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0answers
25 views

Synchronizing content between web-based app and game server

I have a MUD server, written in C, that I'm trying to move from file-based storage to MongoDB. Eventually, I'd like to offload administration of game content and settings to a web console, written in ...
1
vote
1answer
188 views

pre aggregating documents mongodb

In our current setup, most of our database calls are updates where we increment a key by 1. If all one is doing is incrementing certain keys on a document (a lot) in mongodb, and there are several ...
8
votes
4answers
3k views

I want a trivial example of where MongoDB can scale but a relational database will have trouble [closed]

I'm just learning to use MongoDB, and when discussing with other programmers would like a quick example of why NoSQL can be a good choice compared to a traditional RDBMS - however the scenarios I come ...
0
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0answers
122 views

Is this MEAN stack design-pattern suitable at the 1,000-10,000 user scale?

Let's say that when a user logs into a webapp, he sees a list of information. Let's say that list of information is served by one of two dynos (via heroku), but that the list of information ...
0
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1answer
46 views

Planning complex Mongo (And possibly other NoSQL) Databases

There is no "right way" to do anything, but there are "better" and "worse" ways, as well as true and tested ways. I'm studying Mongo and considering it for a project. It's gonna start small but ...
4
votes
3answers
157 views

Algorithm that generates a group of men and women who are each interested in everyone from the other gender

In my dating app, I need to compile lists of men and women where all of the men in the list are potentially interested in all of the women in the list, and vice versa. That is, in a list of 10 men ...
1
vote
0answers
66 views

Code structure with MongoDB in python

I am new to MongoDB and python. I know how to make basic use of pymongo in order to manipulate documents. I am having trouble finding how to create some structure or governance in what gets inside ...
1
vote
2answers
83 views

What is better for scalability for this specific dataset, MongoDB or MySQL?

I have a web app which has users, forms, and volunteers signed up on those forms. Currently I am using MongoDB and have it setup with a collection for admins, and a collection for forms with ...
0
votes
1answer
55 views

Can I include mongod.exe in my commercial destop based or user self hosted app withou open sourcing it?

I have read the doc and the apgl blog post, but I still have some concerns: Can I include mongodb.exe in my commercial desktop based app? Can I include mongodb.exe in my commercial user self hosted ...
1
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0answers
71 views

How to consume inconsistent REST API with Mongo DB backend?

We are using a third party REST API and we are building one of the pages on our ASP.NET site around the data it delivers. We get results in JSON, and interact with it mostly using .NET MongoDB Driver. ...
0
votes
1answer
91 views

How to determine which service to call

I have modeled my application using multiple 'user' domain objects. Candidate Recruiter Administrator Each entity extends from an AbstractUser implementing UserInterface. interface UserInterface ...
2
votes
4answers
322 views

Are NoSQL databases the best choice for more efficiently querying large amounts of data?

We are planning to build a travel website in which we will be integrating multiple APIs (eg. DOTW, GTA, Expedia) for Hotels. I have initially tried to use MySQL but since there are huge amounts of ...
0
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0answers
53 views

Syncing different nosql datasources efficiently

I have two dbs I am dealing with right now - Elasticsearch and Mongodb. Mongodb is legacy in the application in that I am not happy for its presence but it is there and in use, I am interested in ...
0
votes
1answer
436 views

Design Pattern for Cron/Schedule in MongoDB

I am looking for a good pattern to handle cron-type data in a MongoDB collection (or collections). I have been peeking at the O'Reilly book MongoDB Applied Design Patterns and poking around the ...
1
vote
1answer
119 views

database migration with data already in the database in production

I don't know much about migrations, but this is a specific question I'm not sure how to answer. In production, how can one change the database format/schema when there is already user data in there? ...
0
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0answers
32 views

I have two applications… use NoSQL or RDBMS? [duplicate]

I have two applications in the making: one is a budget management tool; the other is a article based places/restaurant guide. The budget management tool works where users create accounts (e.g. bank ...
0
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1answer
461 views

What is the best way to store multilingual data in MongoDB?

I want to save/serve multilingual data in my CMS application using Mongoose. Is this the correct way? name: { global: { type: String, default: '', trim: true, ...
4
votes
1answer
2k views

Architecture for a mobile (Android) chat application

I want to develop a chat application that reminds a bit whatsapp, I am doing it as a learning project. I am currently doing it on Android just because I am doing an Android course. The requirements ...
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0answers
85 views

Decreasing MongoDB Load

I have some stream workers. They are listening to twitter stream and save into mongodb. I need to aggregate saved tweets for intermediate analyze result. I have analyzer workers. They are periodically ...
0
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3answers
112 views

Help with database design with a strict and structured subset of clinical data

I'm developing an application to keep some of the data in chronic patients, the data came from a very strict subset of data, vital signs, exams, ecc. On a first glance I thought to create a Patient ...
-1
votes
1answer
114 views

mongoDB user management (built in or own implementation) [closed]

I started to evaluate mongoDB for a product catalogue. Regarding user management and access control: When to use the mongoDB's built in user management and when build one on the application layer? ...
1
vote
2answers
137 views

When should I implement authentication in a database?

I'm currently embarking on a MongoDB project (a simple user login system), and I notice that there is an option for authentication. Here is the server string, with the userinfo shown as optional ...
1
vote
2answers
4k views

How to connect Android App to MongoDB deployed on Google Cloud

Currently I am working on a simple app which will be able to connect to MongoDB which is deployed in Google Cloud. I have set it up MongoDB ocaly on my computer and I have made a little JAVA console ...
4
votes
3answers
437 views

Is MongoDB appropriate for systems that will be likely to change?

I've been using MongoDb (mainly with Meteor) and for me, it has been a great way to mock up prototypes and proof of concepts quickly. I'm just wondering, after building the initial product, if your ...
0
votes
1answer
193 views

MongoDB: Replicate data in documents vs. “join”

Disclaimer: This is a question derived from this one. What do you think about the following example of use case? I have a table containing orders. These orders has a lot of related information ...
0
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0answers
146 views

Seeking Mongoose schema design advice

I'm having some trouble deciding on a proper way to layout some of my schemas in Mongoose. I have a User schema currently as: { name: { type: String, default: "" }, phoneNumber: {type: String, ...
0
votes
1answer
117 views

Android -> Ruby Server Interface -> Mongodb

I've been wrecking my brain about this for a few days. I'll run my scenario by you and hopefully you can help me. In my head this is how it goes: I have an Android App. I want my Android App to make ...
2
votes
2answers
2k views

How to represent a tree structure in NoSQL

I'm new to NoSQL and have been playing around with a personal project on the MEAN stack (Mongo ExpressJs AngularJs NodeJs). I'm building a document editor of sorts that manages nodes of data. Each ...
1
vote
1answer
2k views

Storing data in elasticsearch vs mongodb

We are trying to create an online-shopping like application in which we have to store a huge amount of data,since the data that will be stored are mostly document like data, the suggestion was to ...
2
votes
1answer
142 views

Do I need to publish deployment scripts for deploying AGPL licensed work (MongoDB)

MongoDB is dual-licensed with AGPL (the engine) and ASL 2.0 (the drivers). In a nutshell, merely using MongoDB through the drivers does not dictate to release your source code (due to drivers' ASL 2.0 ...
1
vote
0answers
460 views

How to link the data of MongoDB and Neo4j?

I want to implement a system which store the profiles of employee and the resources that they have. There are many types of resources, such as the documents they produced, the techniques they ...
0
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1answer
52 views

Mongo Licensing (AGPLv3)

I'm going to include MongoDb(AGPLv3) in my product. My product is SaaS, I don't install this to client directly. My software is ASP.NET MVC website. But MongoDb's drivers for .Net is under Apache My ...
34
votes
2answers
3k views

Strategy for generating unique and secure identifiers for use in a “sometimes offline” web app

I have a web based project that allows users to work both online and offline and I'm looking for a way to generate unique ids for records on the client side. I'd like an approach that works while a ...
8
votes
6answers
8k views

Is MongoDB the right choice in my case? [closed]

I'm going to build my first real project in Rails that consist in a web app made of 3 main parts: The static part where no database is used The User registration part which will require a database ...
7
votes
2answers
6k views

Can I use MongoDB for a commercial web based service?

Can I use MongoDB as the database for providing a paid service? MongoDB is licensed under the AGPL, but the drivers I'm using are MIT licensed. Do I have to buy a commercial license for MongoDB or ...
0
votes
1answer
105 views

Do we have any special design considerations for maintaining anonymity in an application?

This is an open-ended question which I am analysing while doing some fun projects in leisure. Websites like Google, Facebook do store user activities and perhaps sell them or use them for ...
2
votes
2answers
655 views

MongoDB: Is this a good schema design?

I'm working on a Meteor app which lets users create events and assign them crew members. I've played around with MongoDB before and made some experiences along the way, where for instance my first ...
4
votes
2answers
200 views

Does the use of mongodb enhance extending/changing database driven applications?

When an application is created which need to store data, an SQL database is used very often. So did I in a lot of asp.net applications. The resulting applications have often an ORM like the entity ...
1
vote
2answers
529 views

Search algorithm

I would like to create a site where users can post articles with the following optional parts: A title Contents (text) Categories Keywords Articles will be stored in mongodb and the site will be ...
1
vote
1answer
934 views

Mongodb array vs object

New with Mongodb, and I'm not sure what implications or benefits there are between the use of an array vs an object. So.. As above what are the implications and benefits between the use of arrays ...
-1
votes
4answers
1k views

Is a NoSQL database suitable for me? [closed]

I'm developing a WPF application whose core functionality involves creating a large object graph (often tens of thousands of entities) which the user can modify certain parts of, then save to a ...
0
votes
1answer
387 views

Modeling user in MongoDB

Our team is learning to work with MongoDB. We have to model the user among other things for an OAuth-based application. We know how to model in the relational world, but are unsure about how to do it ...