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Questions tagged [nosql]

Databases that propose alternative solution to SQL (Relational) Database which can be document oriented, key/value, graph, objects,...

2
votes
2answers
591 views

Best way to structure many-to-one allocation of users to projects in NoSQL

I apologise if this is a bit of a stupid or broad question, but I'd like some general feedback please! Say I have this DB structure for users (in Mongo/JS, but really it's all pseudocode- and the IDs ...
0
votes
2answers
53 views

Database agnostic DAO (NoSQL + SQL)

Background While writing a new component, I m in middle of making a decision of SQL/NOSQL database (Mongo vs Mysql) for my storage layer. As of today, mysql seems to be a perfect fit for my use-case (...
0
votes
2answers
98 views

Some Suggestion about Data Modeling

I want to make a social game for Android. I am using NoSQL Based Database (MongoDB) and I am using NodeJs. I am using Android-Volley library to make POST and GET requests. But I am stucked on ...
-1
votes
2answers
153 views

Relational or non relational database for my described application?

I want to design and implement a mobile application in which: Every user who have already registered is able to add new news (including title: text plus a picture, and content: long text, pictures or ...
3
votes
1answer
886 views

How should I store usernames and passwords for user login using php/cassandra?

I am new to NOSQL and Cassandra. I am not sure if I should store usernames and password in Cassandra. If I should, what is the best way to do that? I am getting lots of conflicting ideas from research....
3
votes
1answer
1k views

When to use wide column stores instead of document based stores

I have some experience with document based stores (MongoDB and CouchDB) and I am interested in exploring wide column databases. Based on my initial exploration I can grasp a basic understanding of ...
1
vote
1answer
53 views

Regarding data modelling in a NoSQL use case

I am reading the following link to learn about system designs of various systems. https://www.educative.io/collection/page/5668639101419520/5649050225344512/5673385510043648 (This is a paid link, I am ...
1
vote
1answer
187 views

Expert advice needed for a NoSql Database

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 ...
0
votes
1answer
62 views

How to implement scalable RBAC library/service?

I need to design and implement a RBAC (role based access control) library to protect RPC calls. A role is a list of verbs (RPC methods). One should be able bind a user (or group of users) to a role ...
0
votes
1answer
191 views

NoSQL design - Storing project assignments

I currently have a planning tool using SQL tables that are sort of setup like this: Date table (Contains dates & indicates if that day is a weekend / holiday etc) Employee (Simple data) Project (...
-1
votes
1answer
103 views

Relational Model to NoSQL model

I'm trying to switch my brain in to a NoSQL mode (document oriented database). I created a JSON datastructure that looks a little bit like this { "listInstances" : [ { "listClassId" : 1, ...
3
votes
0answers
388 views

Expiring counters in Cassandra

So I know that TTL is not available for counters because of design reasons and I've read https://issues.apache.org/jira/browse/CASSANDRA-2103 as well as some other SO questions regarding this but ...
2
votes
0answers
705 views

NoSQL data modelling for multi level nested documents

What kind of NoSql data modelling is best suitable for the following requirement? This can be visualised (NoSQL-Document) as a Collection of Records where each Record contains nested Documents.The ...
2
votes
0answers
239 views

Replication between SQL server and Couchbase Lite

We have a main MS Sql server. This is the main data source that delivers and receives data to and from backend administration and (in development) mobile software. We need to make a connection to ...
2
votes
0answers
520 views

Is this a good implementation of mongodb for a money management tool?

I have a money management tool which has users. Each user may have several accounts/funds (e.g. bank account). For each account/fund there may be thousands of transactions. Users may only view their ...
2
votes
0answers
1k 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 have......
1
vote
0answers
41 views

Giving search on customizable fields

I have some user defined custom fields corresponding to a ticket (A ticket is an entity which has subject, status and custom fields). I need to search tickets based on its custom field values. A ...
1
vote
0answers
149 views

Putting NoSQL DB schemas on front-end, safely

We are using Firebase which is probably similar to MongoDB in that it stores arbitrary JSON structures. We are also using Node.js and so the library in question could in theory be used both backend ...
1
vote
0answers
149 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 ...
0
votes
0answers
20 views

Efficiently querying for a set of objects for price comparison

I am designing a system where a user can input a budget and a query returns to them sets of objects that they can afford from different vendors. The system has 100s of different combination types (i.e ...
0
votes
0answers
31 views

Alternatives to RDBMS For Forecast Data

All, I currently capture well structured forecast data in a SQL Server. An example of this data is below: What this tells me is that each day, I receive a forecast for the next three days. Note ...
0
votes
0answers
44 views

Design The Key in KV Store

How keys should be designed in a Key-Value Store? For example if there is a need for querying users based on their emails (a manual secondary index), should the key be user:email_index:user@domain....
0
votes
0answers
268 views

Schemaless NoSQL RESTful design?

In a recent project; I used MongoDB with MongoEngine (an ORM/ODM for Python). This allowed me to specify schema in a central "Model". My new project I am hosting on Windows Azure; and there is no ...
-2
votes
0answers
29 views

Nosql one to many relationship, search and paginate on both entities efficiently

I have products and their brands, Earlier my mapping was { "product_id", "product_name", "brand_id", "brand_name", "city_id", //other filters associated with product } It was working fine until i ...