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DBMS > Microsoft Azure Cosmos DB vs. Oracle

System Properties Comparison Microsoft Azure Cosmos DB vs. Oracle

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Our visitors often compare Microsoft Azure Cosmos DB and Oracle with PostgreSQL, MongoDB and Microsoft SQL Server.

Editorial information provided by DB-Engines
NameMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonOracle  Xexclude from comparison
DescriptionGlobally distributed, horizontally scalable, multi-model database serviceWidely used RDBMS
Primary database modelDocument store
Graph DBMS
Key-value store
Wide column store
Relational DBMS
Secondary database modelsSpatial DBMSDocument store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Spatial DBMS infowith Oracle Spatial and Graph
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score36.10
Rank#27  Overall
#4  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score1261.29
Rank#1  Overall
#1  Relational DBMS
Websiteazure.microsoft.com/­services/­cosmos-dbwww.oracle.com/­database
Technical documentationdocs.microsoft.com/­azure/­cosmos-dbdocs.oracle.com/­en/­database
DeveloperMicrosoftOracle
Initial release20141980
Current release21c, January 2021
License infoCommercial or Open Sourcecommercialcommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++
Server operating systemshostedAIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Data schemeschema-freeyes infoSchemaless in JSON and XML columns
Typing infopredefined data types such as float or dateyes infoJSON typesyes
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.yes
Secondary indexesyes infoAll properties auto-indexed by defaultyes
SQL infoSupport of SQLSQL-like query languageyes infowith proprietary extensions
APIs and other access methodsDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Supported programming languages.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
Server-side scripts infoStored proceduresJavaScriptPL/SQL infoalso stored procedures in Java possible
TriggersJavaScriptyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*no infocan be realized in PL/SQL
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 integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataMulti-item ACID transactions with snapshot isolation within a partitionACID infoisolation level can be parameterized
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoVersion 12c introduced the new option 'Oracle Database In-Memory'
User concepts infoAccess controlAccess rights can be defined down to the item levelfine grained access rights according to SQL-standard

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

Microsoft fixes critical RCE flaw affecting Azure Cosmos DB
1 November 2022, BleepingComputer

Microsoft Introduces Azure Cosmos DB for PostgreSQL
16 October 2022, InfoQ.com

Azure's now-fixed Cosmos DB flaw could have been exploited to read, write any database
27 August 2021, The Register

Azure Cosmos DB dedicated gateway
17 March 2023, learn.microsoft.com

Continuous backup with point in time restore feature in Azure Cosmos DB
15 March 2023, learn.microsoft.com

provided by Google News

Oracle OKE takes on Azure, AWS with serverless Kubernetes
21 March 2023, TechTarget

KDDI moves online payment applications to Oracle Database
28 February 2023, DatacenterDynamics

Oracle Cloud Infrastructure to Increase the Reliability, Efficiency, and ...
20 March 2023, PR Newswire

Ellison's healthcare obsession carries risks for Oracle
17 March 2023, The Register

Larry Ellison and Safra Catz Lay Out Oracle AI Strategy
20 March 2023, Acceleration Economy

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