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DBMS > CrateDB vs. HarperDB vs. Microsoft Azure Table Storage vs. MongoDB

System Properties Comparison CrateDB vs. HarperDB vs. Microsoft Azure Table Storage vs. MongoDB

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Editorial information provided by DB-Engines
NameCrateDB  Xexclude from comparisonHarperDB  Xexclude from comparisonMicrosoft Azure Table Storage  Xexclude from comparisonMongoDB  Xexclude from comparison
DescriptionDistributed Date Store based on LuceneA distributed database focused on speed and ease of use. It has an intuitive REST API, and supports NoSQL and SQL including joins. HarperDB leverages standard interfaces, and users can be up and running in minutes.A Wide Column Store for rapid development using massive semi-structured datasetsOne of the most popular document stores available both as a fully managed cloud service and for deployment on self-managed infrastructure
Primary database modelRelational DBMS
Search engine
Document storeWide column storeDocument store
Secondary database modelsDocument store
Time Series DBMS
Spatial DBMS
Search engine infointegrated Lucene index, currently in MongoDB Atlas only.
Time Series DBMS infoTime Series Collections introduced in Release 5.0
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.92
Rank#180  Overall
#87  Relational DBMS
#11  Search engines
Score0.77
Rank#198  Overall
#31  Document stores
Score5.25
Rank#71  Overall
#5  Wide column stores
Score493.55
Rank#5  Overall
#1  Document stores
Websitecrate.ioharperdb.ioazure.microsoft.com/­en-us/­services/­storage/­tableswww.mongodb.com
Technical documentationcrate.io/­docsharperdb.io/­developers/­documentation/­overviewdocs.mongodb.com/­manual
DeveloperCrateHarperDBMicrosoftMongoDB, Inc
Initial release2013201720122009
Current release3.1, August 20215.0, July 2021
License infoCommercial or Open SourceOpen Sourcecommercial infofree community edition availablecommercialOpen Source infoMongoDB Inc.'s Server Side Public License v1. Prior versions were published under GNU AGPL v3.0. Commercial licenses are also available.
Cloud-based only infoOnly available as a cloud servicenonoyesno infoMongoDB available as DBaaS (MongoDB Atlas)
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
HarperDB Cloud: Get To Market Faster, For Less Money Using Our Built-in API.
  • MongoDB Atlas: Global multi-cloud database with unmatched data distribution and mobility across AWS, Azure, and Google Cloud, built-in automation for resource and workload optimization, and so much more.
  • ScaleGrid for MongoDB: Fully managed hosting for MongoDB database on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageJavaNode.jsC++
Server operating systemsAll OS with a Java 7 (and higher) VMLinux
OS X
hostedLinux
OS X
Solaris
Windows
Data schemeFlexible Schema (defined schema, partial schema, schema free)dynamic schemaschema-freeschema-free infoAlthough 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.
Typing infopredefined data types such as float or dateyesyes infoJSON data typesyesyes infostring, integer, double, decimal, boolean, date, object_id, geospatial
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyes, but no triggers and constraintsSQL-like data manipulation statementsnoRead-only SQL queries via the MongoDB Connector for BI
APIs and other access methodsADO.NET infocommunity maintained client
JDBC
MQTT (Message Queue Telemetry Transport)
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
RESTful HTTP APIproprietary protocol using JSON
Supported programming languagesErlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
Ruby infocommunity maintained client
Scala infocommunity maintained client
.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
.Net
C#
C++
Java
JavaScript (Node.js)
PHP
Python
Ruby
Actionscript infounofficial driver
C
C#
C++
Clojure infounofficial driver
ColdFusion infounofficial driver
D infounofficial driver
Dart infounofficial driver
Delphi infounofficial driver
Erlang
Go
Groovy infounofficial driver
Haskell
Java
JavaScript
Lisp infounofficial driver
Lua infounofficial driver
MatLab infounofficial driver
Perl
PHP
PowerShell infounofficial driver
Prolog infounofficial driver
Python
R infounofficial driver
Ruby
Rust
Scala
Smalltalk infounofficial driver
Swift
Server-side scripts infoStored proceduresuser defined functionsCustom Functions infosince release 3.1noJavaScript
Triggersnononoyes infoin MongoDB Atlas only
Partitioning methods infoMethods for storing different data on different nodesShardingA table resides as a whole on one (or more) nodes in a clusterSharding infoImplicit feature of the cloud serviceSharding infoPartitioned by hashed, ranged, or zoned sharding keys. Live resharding allows users to change their shard keys as an online operation with zero downtime.
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryes infothe nodes on which a table resides can be definedyes infoimplicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.Multi-Source deployments with MongoDB Atlas Global Clusters
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Read Your Own Writes Consistency infofor primary key lookups
Immediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integritynononono infotypically not used, however similar functionality with DBRef possible
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infounique row identifiers can be used for implementing an optimistic concurrency control strategyAtomic execution of specific operationsoptimistic lockingMulti-document ACID Transactions with snapshot isolation
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, using LMDByesyes infooptional, enabled by default
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyes infoIn-memory storage engine introduced with MongoDB version 3.2
User concepts infoAccess controlrights management via user accountsAccess rights for users and rolesAccess rights based on private key authentication or shared access signaturesAccess rights for users and roles
More information provided by the system vendor
CrateDBHarperDBMicrosoft Azure Table StorageMongoDB
Specific characteristicsCrateDB is an open source distributed SQL database that spreads data and processing...
» more
HarperDB is the first distributed database with hybrid SQL & NoSQL functionality...
» more
MongoDB’s application data platform provides developers a unified interface to power...
» more
Competitive advantagesCrateDB is typically used in operational analytics applications, particularly those...
» more
By combining the functionality of the best SQL, NoSQL, and NewSQL products on the...
» more
The MongoDB platform can be used by developers building transactional, operational,...
» more
Typical application scenariosCrateDB is ideal for integrating and analyzing streams of data--often machine-generated--in...
» more
Use cases where HarperDB is a better fit than other solutions include: Rapid app...
» more
Internet of Things and Time Series (Bosch, Jaguar Land Rover) Mobile (The Weather...
» more
Key customersCrateDB customers include McAfee, Qualtrics , Nokia, NBC Golfnow , Digital Domain...
» more
A few highlighted customers include: US Army, US Airforce, Chelan PUD, TATA, & Lumen....
» more
ADP, Adobe, Amadeus, AstraZeneca, Auto Trader, Barclays, BBVA, Bosch, Cisco, CERN,...
» more
Market metricsThe CrateDB open source project was started in 2014. CrateDB was the winner of TechCrunch...
» more
6,800 + npm downloads 1,600 + on Docker Hub 2,600 + cloud & local signups
» more
175 million downloads, over 1.5M Atlas database clusters under management handling...
» more
Licensing and pricing modelsCrateDB pricing CrateDB Community Edition is open source and free to use under the...
» more
HarperDB follows a freemium/premium model . A database is only as powerful as it...
» more
MongoDB database server: Server-Side Public License (SSPL) . Commercial licenses...
» more

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More resources
CrateDBHarperDBMicrosoft Azure Table StorageMongoDB
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Recent citations in the news

CrateDB 4.5 is Now Available as an Open Source Database
25 March 2021, Database Trends and Applications

CrateDB 4.5 takes distributed SQL database open source
24 March 2021, TechTarget

Crate.io Expands CrateDB Cloud with the Launch of CrateDB Edge
15 April 2021, GlobeNewswire

Crate.io Announces CrateDB Will Switch to an Elasticsearch Fork Following License Change
11 February 2021, GlobeNewswire

Crate.io Open Sources the Entire Codebase of CrateDB – the
24 March 2021, GlobeNewswire

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Build a Hacker News Clone using React and HarperDB
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HarperDB Announces New Custom Functions Feature
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JAMstack Radio | Ep. #85, Data Replication at Speed with Jaxon Repp of HarperDB
19 August 2021, heavybit.com

HarperDB: An underdog SQL / NoSQL database
7 February 2018, ZDNet

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14 January 2019, InfoWorld

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22 June 2021, Visual Studio Magazine

Azure Improves Table Storage Paging
14 October 2014, Visual Studio Magazine

Words to go: Azure storage types
29 November 2016, TechTarget

Table API for Azure Cosmos DB | Azure Friday | Channel 9 - Microsoft
10 August 2017, Channel 9

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How MongoDB Beat Amazon
8 October 2021, The Motley Fool

How to Create Documents in MongoDB
13 October 2021, MakeUseOf

MongoDB Joins LOT Network To Protect Open Innovation For Developers
19 October 2021, PRNewswire

How Atlas Is Driving MongoDB's Growth
7 October 2021, Motley Fool

Why MongoDB Stock Is Falling Today
4 October 2021, Motley Fool

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