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DBMS > Microsoft Azure Cosmos DB vs. Realm vs. UniData,UniVerse

System Properties Comparison Microsoft Azure Cosmos DB vs. Realm vs. UniData,UniVerse

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Editorial information provided by DB-Engines
NameMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonRealm  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionGlobally distributed, horizontally scalable, multi-model database serviceA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelDocument store
Graph DBMS
Key-value store
Wide column store
Document storeMultivalue DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score40.29
Rank#26  Overall
#3  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score9.29
Rank#50  Overall
#8  Document stores
Score4.19
Rank#81  Overall
#2  Multivalue DBMS
Websiteazure.microsoft.com/­services/­cosmos-dbrealm.iowww.rocketsoftware.com/­products/­rocket-u2
Technical documentationdocs.microsoft.com/­azure/­cosmos-dbrealm.io/­docswww.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperMicrosoftRealm, acquired by MongoDB in May 2019Rocket Software
Initial release201420141985
License infoCommercial or Open SourcecommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC
Server operating systemshostedAndroid
Backend: server-less
iOS
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes infoJSON typesyesoptional
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.no
Secondary indexesyes infoAll properties auto-indexed by defaultyesyes
SQL infoSupport of SQLSQL-like query languagenoyes
APIs and other access methodsDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languages.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresJavaScriptno inforuns within the applications so server-side scripts are unnecessaryyes
TriggersJavaScriptyes infoChange Listenersyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*nono
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 partitionACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes
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.yes infoIn-Memory realm
User concepts infoAccess controlAccess rights can be defined down to the item levelyesAccess rights according to SQL-standard and operating system based
More information provided by the system vendor
Microsoft Azure Cosmos DB infoformer name was Azure DocumentDBRealmUniData,UniVerse
Specific characteristicsNow a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesRealm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosMobile Consumer Apps First-Line Worker Apps
» more
Key customersCathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsUsed by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsRealm database is licensed under the Apache License v2.0.
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more

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More resources
Microsoft Azure Cosmos DB infoformer name was Azure DocumentDBRealmUniData,UniVerse
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Recent citations in the news

Azure Cosmos DB alert: This critical vulnerability puts users at risk
27 August 2021, ZDNet

Microsoft to Azure Cosmos DB Users: Your Data May Have Been Exposed
30 August 2021, Redmondmag.com

Microsoft Azure Cosmos DB incident underscores the need to closely watch cloud data – Urgent Comms
1 September 2021, Urgent Communications

Microsoft Pulls Azure Cosmos DB Component After Major Security Issue Exposed
27 August 2021, Petri.com

Four new Microsoft Azure vulnerabilities reported - Security
17 September 2021, CRN Australia

provided by Google News

On Point: Q&A with Lewis Shepherd | SIGNAL Magazine
1 June 2021, Signal Magazine

MongoDB Extends Cloud Lineup With New Database Release, Search And Mobile Tools
12 June 2020, CRN: Technology news for channel partners and solution providers

MongoDB Cloud brings developers and edge together
10 June 2020, Techradar

Realm Makes PostgreSQL Real-Time with New Connector
21 March 2017, Database Trends and Applications

MongoDB Cloud Gives Developers An Escape From Data Silos With First-Ever Unified Cloud-To-Mobile Experience
9 June 2020, PRNewswire

provided by Google News

Unidata's (BIT:UD) Robust Earnings Are Not All Good News For Shareholders
7 October 2021, Simply Wall St

APAC, Europe, America region to act as revenue generator for Water Level and Storage Monitoring Software market over 2021-2026
11 October 2021, Northwest Diamond Notes

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14 April 2021, PR Web

Investors Could Be Concerned With Unidata's (BIT:UD) Returns On Capital
11 May 2021, Simply Wall St

UniData
5 March 2019, International Spectrum Magazine

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