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DBMS > Microsoft Azure Cosmos DB vs. RethinkDB vs. TerarkDB

System Properties Comparison Microsoft Azure Cosmos DB vs. RethinkDB vs. TerarkDB

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Editorial information provided by DB-Engines
NameMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonRethinkDB  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionGlobally distributed, horizontally scalable, multi-model database serviceDBMS for the Web with a mechanism to push updated query results to applications in realtime.A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelDocument store
Graph DBMS
Key-value store
Wide column store
Document storeKey-value store
Secondary database modelsSpatial DBMSSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score40.22
Rank#27  Overall
#4  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score3.09
Rank#99  Overall
#19  Document stores
Score0.00
Rank#354  Overall
#54  Key-value stores
Websiteazure.microsoft.com/­services/­cosmos-dbrethinkdb.comgithub.com/­Terark/­terarkdb
Technical documentationdocs.microsoft.com/­azure/­cosmos-dbrethinkdb.com/­docsgithub.com/­Terark/­terarkdb/­wiki
DeveloperMicrosoftThe Linux Foundation infosince July 2017Terark
Initial release201420092016
Current release2.4.1, August 2020
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2commercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++
Server operating systemshostedLinux
OS X
Windows
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyes infoJSON typesyes infostring, binary, float, bool, date, geometryno
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.nono
Secondary indexesyes infoAll properties auto-indexed by defaultyesno
SQL infoSupport of SQLSQL-like query languagenono
APIs and other access methodsDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
C++ API
Java API
Supported programming languages.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
C++
Java
Server-side scripts infoStored proceduresJavaScriptno
TriggersJavaScriptClient-side triggers through changefeedsno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding inforange basednone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*yesno
Consistency concepts infoMethods to ensure consistency in a distributed systemBounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataMulti-item ACID transactions with snapshot isolation within a partitionAtomic single-document operationsno
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCC basedyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess rights can be defined down to the item levelyes infousers and table-level permissionsno

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More resources
Microsoft Azure Cosmos DB infoformer name was Azure DocumentDBRethinkDBTerarkDB
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Recent citations in the news

Microsoft fixes cross-account vulns in Azure Database for PostgreSQL service
28 April 2022, The Register

An Introduction and Tutorial for Azure Cosmos DB
25 February 2022, InfoQ.com

Researchers discover critical flaw in Azure Cosmos DB
27 August 2021, TechTarget

Integrate Azure and Spring with Spring Cloud Azure
9 May 2022, iProgrammer

Hackers manage to smash Microsoft's Azure Cosmos DB database cluster, reveal poor security practices
12 November 2021, MSPoweruser

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2 February 2022, Linux Shout

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5 October 2016, VentureBeat

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ByteDance eyes big data push with Terark acquisition EJINSIGHT
30 April 2019, EJ Insight

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Job opportunities

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Microsoft, Redmond, WA

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