MongoDB realtime database

MongoDB Inc.'s Server Side Public License v1. Prior versions were published under GNU AGPL v3.0. Commercial licenses are also available.Open Source

Proprietary for Enterprise Edition (Oracle Database EE license has Oracle NoSQL database EE covered: details)Cloud-based only

Only available as a cloud serviceyesno

MongoDB available as DBaaS (MongoDB Atlas)noDBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.ScaleGrid for MongoDB Database: Fully managed hosting for MongoDB Database on a wide variety of cloud providers and On-Premises. Automate your management, scaling and backups through one centralized platform.Implementation languageC++JavaServer operating systemshostedLinux
OS X
Solaris
WindowsLinux
Solaris SPARC/x86Data schemeschema-freeschema-free

Although schema-free, documents of the same collection often follow the same structure. Optionally impose all or part of a schema by defining a JSON schema.Support Fixed schema and Schema-less deployment with the ability to interoperate between them.Typing

predefined data types such as float or dateyesyes

string, integer, double, decimal, boolean, date, object_id, geospatialoptionalXML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonoSecondary indexesyesyesyesSQL

Support of SQLnoRead-only SQL queries via the MongoDB Connector for BISQL-like DML and DDL statementsAPIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP APIproprietary protocol using JSONRESTful HTTP APISupported programming languagesJava
JavaScript
Objective-CActionscript

unofficial driver
C
C#
C++
Clojure

unofficial driver
ColdFusion

unofficial driver
D

unofficial driver
Dart

unofficial driver
Delphi

unofficial driver
Erlang
Go
Groovy

unofficial driver
Haskell
Java
JavaScript
Lisp

unofficial driver
Lua

unofficial driver
MatLab

unofficial driver
Perl
PHP
PowerShell

unofficial driver
Prolog

unofficial driver
Python
R

unofficial driver
Ruby
Rust
Scala
Smalltalk

unofficial driver
SwiftC
C#
Go
Java
JavaScript (Node.js)
PythonServer-side scripts

Stored procedureslimited functionality with using 'rules'JavaScriptnoTriggersCallbacks are triggered when data changesyes

in MongoDB Atlas onlynoPartitioning methods

Methods for storing different data on different nodesSharding

Partitioned by hashed, ranged, or zoned sharding keys. Live resharding allows users to change their shard keys as an online operation with zero downtime.ShardingReplication methods

Methods for redundantly storing data on multiple nodesMulti-Source deployments with MongoDB Atlas Global Clusters
Source-replica replicationElectable source-replica replication per shard. Support distributed global deployment with Multi-region table featureMapReduce

Offers an API for user-defined Map/Reduce methodsnoyeswith Hadoop integrationConsistency concepts

Methods to ensure consistency in a distributed systemEventual Consistency

if the client is offline
Immediate Consistency

if the client is onlineEventual Consistency
Immediate Consistency

can be individually decided for each write operationEventual Consistency
Immediate Consistency

depending on configurationForeign keys

Referential integritynono

typically not used, however similar functionality with DBRef possiblenoTransaction concepts

Support to ensure data integrity after non-atomic manipulations of datayesMulti-document ACID Transactions with snapshot isolationconfigurable

ACID within a storage node (=shard)Concurrency

Support for concurrent manipulation of datayesyesyesDurability

Support for making data persistentyesyes

optional, enabled by defaultyesIn-memory capabilities

Is there an option to define some or all structures to be held in-memory only.yes

In-memory storage engine introduced with MongoDB version 3.2yes

off heap cacheUser concepts

Access controlyes, based on authentication and database rulesAccess rights for users and rolesAccess rights for users and roles

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
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Table of Contents Show

More information provided by the system vendor
Does MongoDB have realtime database?
How to get realtime data from MongoDB?
Is MongoDB Atlas real time database?
Is MongoDB good for time series data?

Related products and services3rd partiesStudio 3T: The world's favorite IDE for working with MongoDB

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Navicat for MongoDB gives you a highly effective GUI interface for MongoDB database management, administration and development.

Percona: Database problems? Not on your watch.
Databases run better with Percona.

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

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Does MongoDB have realtime database?

With MongoDB, businesses can analyze any data in place and deliver insights in real time.

How to get realtime data from MongoDB?

4 ways to get real-time database updates from MongoDB.

Hooks in application's database layer. This is a very simple approach and there is not much to explain. ... .

Pull and diff query results. This is a slightly more advanced approach, that used to be used in Meteor up to version 0.7. ... .

oplog tailing. ... .

Change Streams..

Is MongoDB Atlas real time database?

Atlas supports real-time performance metrics for mongod or mongos processes and replica set clusters. For sharded clusters, you can view real-time peformance metrics for each shard replica set. You must have the Project Owner Atlas user role to access the Real Time tab.

Is MongoDB good for time series data?

MongoDB is a document-based general purpose database with flexible schema design and a rich query language. As of MongoDB 5.0, MongoDB natively supports time series data.