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Questions tagged [mongo]

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MongoDB is a document-oriented database.

22 questions
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2 votes
3 answers
1k views

I am looking for a complete pattern implementing cache-aside when used in a distributed system across multiple nodes read/writing from/to cache. Specificly how to avoid making multiple requests to db ...
eran otzap's user avatar
  • 145
1 vote
3 answers
144 views

So this is a topic I have never really tackled, so bare with me as I try to describe my issue and the scenario. I have an API endpoint in my service that sends emails to a bunch of users. The set of ...
alaboudi's user avatar
  • 285
0 votes
1 answer
480 views

I am trying to store user preference for notifications. One way to do is store types of notification in separate collection and store UUID of that notification type in user table. e.g. notification-...
Anonymous Creator's user avatar
  • 119
0 votes
1 answer
1k views

I asked this over at SO and didn't get any responses after a couple weeks, so I figured I'd try SE... TLDR; How do I update nested objects in MongoDB when data referenced in those nested objects ...
gaw89's user avatar
  • 103
1 vote
1 answer
1k views

I have several enums that need to be defined and shared between collections. A practical example: There are X colors available "Light Blue", "Red", "Purple".... people ...
mostafawornout's user avatar
  • 121
9 votes
5 answers
835 views

A few years ago, I wrote an application that allowed users to upload a file (it's a very specific file type) to a server. It then sends instructions to the server on how to visualise the data, and the ...
Mark's user avatar
  • 79
1 vote
1 answer
314 views

I have an angular 8 application, with a Python + MongoDB API on the backend. At present, I have 4 collections, namely: Users, Tasks, Companies and Groups. All of these resource types are retrievable ...
Slepton's user avatar
  • 51
2 votes
2 answers
1k views

I come from many years working with SQL Server. I am working now on a mobile game using GameSparks as the back-end which only supports NoSQL run on Mongo. I am creating a Computer Card Game and am ...
dferraro's user avatar
  • 341
3 votes
1 answer
3k views

I have read the guide and they say Query Router Sharding is transparent to applications; whether there is one or one hundred shards, the application code for querying MongoDB is the same. ...
Khan's user avatar
  • 133
1 vote
0 answers
118 views

I am fairly new to MongoDB document-based storage, and my background is in tabular databases and I am having trouble understanding the right way to model this relationship. Currently I have a ...
tt9's user avatar
  • 631
1 vote
0 answers
311 views

I'm thinking about a database schema, and would really appreciate if some of you could look at where I'm up to and offer some advice.. The mission - We have to write a program that will fetch data ...
Martyn's user avatar
  • 795
1 vote
1 answer
231 views

At our company, I have been given the task to develop a Mobile Application (iOS, Android and in the future, maybe Windows). Given those devices, it's likely that we'll have a high number of ...
Complexity's user avatar
  • 113
1 vote
0 answers
98 views

I'm trying to implement an architecture that's similar to the coreos's production architecture (shown below) Should I run the database as a central service or one or more of the workers? I figured ...
benbot's user avatar
  • 131
4 votes
1 answer
5k views

I am working on two projects that will both implement a Webdav server backed by a MongoDB GridFS. In each case, there is the potential for the system to store tens of millions of files spread across ...
Ralph's user avatar
  • 143
1 vote
1 answer
671 views

I am having a difficulty in deciding the database & its structure. Let us say the problem is like this. For my product I have various customers( each is an educational institute) Each customer ...
Gaurav Shah's user avatar
  • 75

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