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Great Reads

TmStorage, Open-source Storage Engine for .NET

by Tomaz Koritnik

TmStorage is a structureless virtual file system from which complex storages or databases can be built.

Aggregation in MongoDB

by Vikas Sharma

In this article, we will focus on aggregation pipeline. I'll try to cover each major section of it using simple examples. We will be writing mongo shell commands to perform aggregation.

Introduction to NoSQL and Polyglot Persistence

by Nikola M. Živković

Introduction to NoSQL and Polyglot Persistence

Using C++ to Simplify the Extensible Storage Engine (ESE) API - Part 1

by Espen Harlinn

Easy to use C++ wrapper classes for the Extensible Storage Engine (ESE) C API

Latest Articles

News Track - News Aggregator

by Gerard Castelló Viader

A news tracking or news aggregator website that allows users to share content they find on the Internet and give it certain visibility

NoSQL or not NoSQL?

by Daniele Fontani

That is the question. A comparison between these two technologies and some tips to choose the best that suits your needs.

metastrings: A Simple File-based Dynamic NoSQL Database

by Michael Sydney Balloni

Learn about the inner workings of a dynamic database, and how SQLite is a great fit

An Ultrafast Light Timeseries Storage Engine – LMDB Part 1

by Espen Harlinn

A lightweight timeseries storage engine, capable of storing millions of timeseries values per second

All Articles

NoSQL

Any tool providing NoSQL (MongoDB) Data Provider

8 Jun 2014 by AbidHussain128

Hi,Can any one let me know the MongoDB data storage provider at cloud Front?I want my website Performance very good.I just require any online tool from Amazon.(I request 1000's of request in one second to give me 100's of records)Some details:-My Website hosted at Amazon EC2....

NoSQL: MongoDB for Beginners

21 Feb 2016 by adityaswami89

NoSQL: MongoDB for beginners

NoSQL - Second Generation Database

16 Aug 2017 by adriancs

An introduction of Unstructured Data or Document Database

Evolution of Data Objects Within Database Applications

27 Oct 2015 by Alexander Imas

The subject of this article is database applications. These applications reflect objects from the real world in program objects in the application.

How do I connect to MongoDB from a PLC using Structured Text (IEC 61131-3)?

18 Oct 2015 by Arjunitedred

Hello everyone,How do I send data from a PLC (Bosch Indraworks) to MongoDB and what function blocks would be required for the same? I looked up on RIL_SocketComm.library and none of them are compatible for MongoDB. It would really mean a lot if anyone could help me with this.Thanks.

Chat Application Using Firebase, Javascript

15 Dec 2014 by Arlen Navasartian

This is a simple example of a web based chat application implemented using Firebase.

Which technology to use for web based application (Java, Node.js or any other etc)?Please recommend

12 Nov 2013 by Arnaldo P. Castaño

My personal recommendation is that you use ASP. NET MVC 3 or 4 as web framework (this means C# as programming language), SQLServer 2008 or 2012 as Database System and probably Twitter BootStrap, Telerik and some others mini-frameworks for UI work. MVC is a design pattern, very suitable for...

Setting Up MongoDB on OSX

31 Oct 2011 by Ashish Kaila

How to set up MongoDB on OSX

Working with NoSQL Databases

28 Feb 2014 by ASP.NET Community

This article explains how to work with NoSQL databases, why to use NoSQL, what NoSQL databases are present, .NET APIs for NoSQL and Further Reading

RavenDB - An Introduction

28 Apr 2010 by Ayende @ Rahien, Paul B.

An introduction to RavenDB - a new open source .NET document database using .NET 4.0 and VS 2010

Choosing MySQL or NoSQL Database For My Scenario

11 May 2015 by bilal78699

Hello All,I have a scenario where i have to store timesheets of different projects. The object graph is like this:Timesheet->Project->UserA user can create multiple projects. And a project can have multiple timesheets. So in my scenario it is expected that timesheet data will grow...

Basics of MongoDB

12 Oct 2014 by binit.ku.singh

MongoDB was designed from the beginning to scale out. Its document-oriented data model allows it to automatically split up data across multiple servers.

Connect MongoDB from Any Working Directory on ubuntu

4 Nov 2014 by binit.ku.singh

Connect MongoDB from any working directory on ubuntu

FileDb - A Simple NoSql Database for Silverlight, Windows Phone and .NET

9 Nov 2011 by Brett Goodman

How to use FileDb as a local database in your .NET, Silverlight and Windows Phone applications

Windows-Phone-7

Movable Globally Distributed System with Database

7 Nov 2017 by Bruce Yang CL

A distributed system architecture, mobile devices around the world, free charge to construct your global application

Using XPath to Query the Internet

10 Dec 2013 by Bruce Yang CL

A way to query the data from Internet

Good web app framework backend for mobile SPA using REST/JSON and a NoSQL DB?

3 Sep 2014 by canam2

In researching technologies for development of a single-page web application (SPA) for mobile deployment, I am trying to determine a good backend web application framework to use.I like the idea of using a NoSQL DB with a clean REST/JSON API and plan to use an client-side MVC framework like...

web_development

Set count for custom months in a year with the value of existed month to gather data

12 Jan 2021 by cgprakash

Hi, I need to retrieve data from MySQL tables and to retrieve as follows: ['Years', 'January', 'February', 'March','April','May', 'June','July', 'August', 'September','October','November','December',{ role: 'annotation' }], ['2012', 10, 24, 20,...

download NO sql databse

12 Jun 2013 by CHill60

Google is a marvellous invention ... if you had tried querying nosql database download you would have found the download page on the Oracle NoSql site http://www.oracle.com/technetwork/database/nosqldb/downloads/default-495311.html[^]

Adding new documents to a collection in Mongodb

12 Apr 2015 by ColdskyXia

How to add new documents to a collection more efficiently

Removing documents from a collection in Mongodb

12 Apr 2015 by ColdskyXia

How to remove documents from a collection more efficiently

15 Jun 2010 by Craig G. Wilson

Using MongoDB from C#.

How Hadoop Handles Big Data?

31 Jul 2013 by CyrusT

suppose that a user wants to run a job on a hadoop cluster,with a primary data of size 10 petabytes.how and when the client node,breaks this data into blocks?I mean,since the client has limited resources,the user can't upload such a big file directly on it.he should copy it part by part and...

Cachalot DB - Very Fast Transactional Database for .NET Applications - Part 2

16 Apr 2019 by Dan Ionescu (USINESOFT)

More on data manipulation

NoSQL or not NoSQL?

9 Nov 2021 by Daniele Fontani

That is the question. A comparison between these two technologies and some tips to choose the best that suits your needs.

How should I get started with nosql databases ?

1 Oct 2020 by deepeshdm3434

I have previously worked with Relational databases and they are pretty much very easy to implement. Recently I got curious about Nosql databases. But I have no idea how I should get started with ? I as far as I have researched there are 4 types...

Event Sourcing Overview

5 Mar 2015 by Duncan Edwards Jones

An introduction to Event Sourcing for the relational database savvy developer

WCF by Example - Chapter XV - RavenDB Implementation

3 Feb 2013 by Enrique Albert

Unit of Work and Repository RavenDB implementation example

Using MongoDB with the Official C# Driver

24 Oct 2011 by Ercan Anlama

Introduces how to use MongoDB in your ASP.NET MVC project using the official C# driver.

Using C++ to Simplify the Extensible Storage Engine (ESE) API - Part 1

30 Aug 2020 by Espen Harlinn

Easy to use C++ wrapper classes for the Extensible Storage Engine (ESE) C API

Using C++ to Simplify the Extensible Storage Engine (ESE) API - Part 2

1 Sep 2020 by Espen Harlinn

An Implementation of a Database layer using my C++ wrapper classes for the ESE C API

An Ultrafast Light Timeseries Storage Engine – LMDB Part 1

23 Mar 2021 by Espen Harlinn

A lightweight timeseries storage engine, capable of storing millions of timeseries values per second

How store data for local window application?

26 Oct 2013 by ExpertITM

Hello Frnds,I am developing a windows form application and now I want to save some data in clients system for that application just like store in sql.so, whats is best and efficient method or Technic to store application data for window application. In my application there is only...

DotNet Programming using Cassandra

12 Apr 2014 by Ganesan Senthilvel

An article on DotNet programming using Cassandra storage

Beginners' guide to using MongoDB 4.0.2 and the official C# driver

16 Sep 2018 by George Swan

Highlights the latest developments in both the Mongo open-source document database and the open-source official C# driver.

News Track - News Aggregator

1 Jul 2022 by Gerard Castelló Viader

A news tracking or news aggregator website that allows users to share content they find on the Internet and give it certain visibility

Set count for custom months in a year with the value of existed month to gather data

9 Jan 2021 by Gerry Schmitz

You've given a list of requirements; and no work. Perhaps start by "learning SQL"; so you can "query" how many joined for a given year and month. Then you "pivot" the results; adding little vertical bars between the results as "delimiters" ......

Get data for each subcollection for each document of a collection in firebase

14 Jul 2022 by Gerry Schmitz

Bad design leads to bad code. There is no logical reason to create a "subcollection" simply because someone works out more than once in a day. You have a workout for a give date and time by person x. You want to total by day, week, etc. it's...

Redis VB.NET Part I: Introduction to Using Redis (NoSQL) with .NET

29 Apr 2011 by Hariharan Arunachalam

Create a usable redis component to enable usage of the redis storage system

Understanding Amazon Web Services

23 Dec 2011 by Henry He

This article is to show all the cloud products in Amazon web service family to let developers have a big picture of Amazon cloud computing solution.

How to write mongoDB query to sum up elements in an array that match another array?

29 Sep 2015 by Ivan.0

In my mongoDB dbs there is a collection A1 that has an array of embedded objects B. I want to group all elements in A1 by the sum of a certain field of B in the array field of A1,namely X. Meanwhile the value of X field need to be an element in another collection A2. That's to say I need to sum...

What the Shard? Partitioning Azure Cosmos DB with the Mongo DB .NET Driver

3 Aug 2018 by Jeremy Likness

Learn how to partition collections using the C# MongoDB driver with Azure Cosmos DB

Using LINQ to Query Dynamic Schema-less Cosmos DB Documents

21 Nov 2019 by Jeremy Likness

A look at the latest Azure SDKs for .NET with a sample .NET Core app that uses the Cosmos DB SDK and LINQ to iterate over documents with a dynamic schema.

Getting Started with NoSQL and MongoDB

26 Feb 2014 by JonB3232

Getting Started with NoSQL and MongoDB

Friday the 13th - JSON is Coming to SQL Server

8 Dec 2015 by Jovan Popovic(MSFT)

Overview of built-in support for JSON text processing in new SQL Server

What Can JSON Do For You in SQL Server Database?

13 Jul 2018 by Jovan Popovic(MSFT)

Learn about various use cases how you can leverage JSON support in SQL Server and Azure SQL Database

Redis-Sentinel TwemProxy Agent

22 Sep 2013 by Karl Stoney

A nodejs agent to connect to Redis-Sentinel and update TwemProxy on master node changes

A Mobile Application Served From CouchDB

28 Nov 2012 by Keyhole Software

A mobile application served from CouchDB.

Node Application Server with CouchDB

12 Dec 2012 by Keyhole Software

Node Application Server with CouchDB

Get data for each subcollection for each document of a collection in firebase

14 Jul 2022 by kkongkk

I have a fitness dashboard to show activity of users. However the way the database is structured has made this difficult.{collection/document/subcollection/document} Currently the dashboard does show each user and all the information (i.e....

open source tool for data dictionary creator for Cassandra.

28 Dec 2015 by Kornfeld Eliyahu Peter

That page definitely states that the tool is for SQL Server - that is Microsoft...

Data modelling tool for cassandra

28 Dec 2015 by Kornfeld Eliyahu Peter

I do not know about open-source, but as much as I understand KDM[^] is at least free...(Why open-source by the way?)

could someone provide links to mongodb projects?

15 Jun 2015 by Krunal Rohit

Hey,This isn't how it works. We're not here to google for you. You can google this simple thing by yourself.After getting the proper project, if you stuck somewhere then let us know, we'd help you but not this way.Hope I'm clear to you.-KR

How Binary XML Simplifies Database and Protocol Design

21 Sep 2015 by Lao Chen

A lightweight method to process binary XML. As a general data representation technique, it simplifies the design of database and protocol with convenience.

Automating backup for MongoDB using CRON and S3CMD

19 Feb 2013 by Lazaro Lima

This paper attempts to pass all the steps to create an automated backup for a MongoDB Server on a Linux Server where all backups are sent to Amazon AWS S3 service scheduled through crontab.

MongoDB Hadoop Hortonworks in Windows Server 2008

11 Jul 2014 by LM Heah

MongoDB Hadoop Hortonworks in Windows Server 2008

Why theory CAP in mongodb (CP) and Cassandra (Ap) and rdbms (CA)?

14 Dec 2015 by log98

According to the picture: 1. Why is Mongodb,...(CP) 2. Why is CouchDB,..(AP) 3. Why is Rdbms (CA)Note: Why Rdbms system partition tolerance does not matter? picture thanks

haw to get data from Cloudant (json document)

22 Apr 2015 by M-osab

Hello, I am working with asp.net, c#database : cloudant I have data in cloudant in Json Format, I want to get data from cloudant,for exmeple : when I create a profil, data will saved in cloudant, in the next page I want to go to profil_view.aspx where I can appear this data.sorry my...

How can I save image into Cloudant ?

29 Apr 2015 by M-osab

Hello, I want to save image into Nosql DB Cloudant.I am working with c#.thanks.

Semantic Database: Concept, Architecture and Implementation

25 Oct 2014 by Marc Clifton

No word has a value that can be identified independently of what else is in its vicinity.

Implementing Custom ASP.NET State Management using Redis and ASP.Net MVC5 – Part 1

10 Oct 2014 by Mathew Soji

A walkthrough on installing Redis server and implementing a custom ASP.NET State Management using Redis and ASP.NET MVC5.

Running Redis as a Windows Service

31 Jan 2014 by Matthew Dennis

A utility to run Redis, or other executables, as a Windows Service.

Windows-service

LiteDB - A .NET NoSQL Document Store in a Single Data File

18 Oct 2017 by Mauricio David

Simple, fast and free embedded .NET NoSQL Document Store in single data file

Can commercial support for Couchdb ?

13 Nov 2013 by Mayank Engineer

Hi all,I find for commercial support for couchdb because i don't know how to deploy database(Couchdb) on server with web application (ASP.NET) i use .If you know how to deploy database in server so tell me

Can commercial support for Couchdb ?

19 Nov 2013 by Mayank Engineer

CouchDb can't provide any commercial support Other NOSQL database provide commercial support and online help provide like Couchbase server ,cassandra , mongodb etc..but couchdb not provide any online help

RaptorDB - the Key Value Store

22 Jan 2012 by Mehdi Gholam

Smallest, fastest embedded nosql persisted dictionary using b+tree or MurMur hash indexing. (Now with Hybrid WAH bitmap indexes)

RaptorDB - The Key Value Store V2

10 Oct 2013 by Mehdi Gholam

Even faster Key/Value store nosql embedded database engine utilizing the new MGIndex data structure with MurMur2 Hashing and WAH Bitmap indexes for duplicates. (with MonoDroid support)

ASP.Net Session Storage - NoSQL or AppFabric

20 Aug 2013 by Mehdi Gholam

You are definitely better off using a Key/Value store for your asp.net sessions instead of SQL-Server.There are a multitude of different KV stores out there both on-site and hosted.

Which technology to use for web based application (Java, Node.js or any other etc)?Please recommend

12 Nov 2013 by Member 10396416

We are developing a web based solution.The server side will have 3 million to 15 million user records.Each user record has a binary code (master code) which will be stored as part of the user record in the database.There will be multiple client machines 10 to 50+ sending requests to the...

How to Insert a document with array of subDocuments into MongoDB by C# classes?

19 Mar 2014 by Member 10683893

HiI'm amateur with mongodb and C# driver.I try to Insert a document with array of sub-documents by class.my codes are these:This is my classes:public class Entity { public string name { get; set; } public string family { get; set; } ...

could someone provide links to mongodb projects?

15 Jun 2015 by Member 11768790

i am new to mongodb and want to work on a project,but i cant find any good source for projects so please answer some good links..

Cosmosdb filtering over generic type (object)

5 Mar 2020 by Member 14637786

Hello, I have quite unique situation to handle (I guess). So the scenario is that I have a CosmosDb and a model of data looking like this: { "deviceId": "exampleId", "properties": [ { "name": "temperature", "value": 20 }, {...

'Documentreference' object has no attribute 'push'

29 Apr 2021 by Member 15053137

I'm writing an app in Python that used Firestore/Firebase! I've got the database all set up. Now I've managed to add an account number into the database see below. Now each time the program runs it just writes over the already added account...

Troubles with making a favorite page with hive DB flutter

5 May 2022 by Member 15625382

Hello everyone here's my test app and I have some problems with making a Favorite page section where you can tap on button and add the item into fav page. I'm receiving a data from API and implementing it by Listview.builder In main.dart, I'm...

metastrings: A Simple File-based Dynamic NoSQL Database

9 Aug 2021 by Michael Sydney Balloni

Learn about the inner workings of a dynamic database, and how SQLite is a great fit

Getting Started with Cloudant

9 Jun 2016 by Mihail Mateev

Cloudant is a NoSQL database as a service (DBaaS) built from the ground up to scale globally, running non-stop, and handling a wide variety of data types.

product-showcase

How complicated can a search be?

28 Jul 2016 by Mihail Mateev

Cloudant distributed database as aservice (DBaaS) is engineered in a way to help you solve issues with indexingand searching by integrating the Apache Lucene search library.

product-showcase

30 Jan 2012 by Muhammad Idrees GS

This article demonstrates how to setup MongoDB running on your machine