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DBMS > Amazon DynamoDB vs. Microsoft Azure Cosmos DB vs. RocksDB

System Properties Comparison Amazon DynamoDB vs. Microsoft Azure Cosmos DB vs. RocksDB

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Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudGlobally distributed, horizontally scalable, multi-model database serviceEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelDocument store
Key-value store
Document store
Graph DBMS
Key-value store
Wide column store
Key-value store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score87.26
Rank#15  Overall
#2  Document stores
#2  Key-value stores
Score41.38
Rank#27  Overall
#4  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score4.29
Rank#87  Overall
#15  Key-value stores
Websiteaws.amazon.com/­dynamodbazure.microsoft.com/­services/­cosmos-dbrocksdb.org
Technical documentationdocs.aws.amazon.com/­dynamodbdocs.microsoft.com/­azure/­cosmos-dbgithub.com/­facebook/­rocksdb/­wiki
DeveloperAmazonMicrosoftFacebook, Inc.
Initial release201220142013
Current release7.3.1, June 2022
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationscommercialOpen Source infoBSD
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++
Server operating systemshostedhostedLinux
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infoJSON typesno
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 indexesyesyes infoAll properties auto-indexed by defaultno
SQL infoSupport of SQLnoSQL-like query languageno
APIs and other access methodsRESTful HTTP APIDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
C++ API
Java API
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresnoJavaScriptno
Triggersyes infoby integration with AWS LambdaJavaScriptno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infoImplicit feature of the cloud servicenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)with Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*no
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Bounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoACID across one or more tables within a single AWS account and regionMulti-item ACID transactions with snapshot isolation within a partitionyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Access rights can be defined down to the item levelno

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More resources
Amazon DynamoDBMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDBRocksDB
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Recent citations in the news

Using a NestJS Application with DynamoDB and Serverless Framework on AWS
22 July 2022, hackernoon.com

AWS: Here's how our cloud-computing infrastructure dealt with Amazon Prime day
26 July 2022, ZDNet

NoSQL Market Investment Analysis | Microsoft SQL Server, MySQL, MongoDB, PostgreSQL, Oracle Database, MongoLab – Shanghaiist
8 August 2022, Shanghaiist

How to Manage Your Asynchronous API With DynamoDB Streams
15 June 2022, Built In

Imperva Extends its Data Security Fabric to Include Enterprise Data Lakes Built on AWS
26 July 2022, Business Wire

provided by Google News

Defender for Azure Cosmos DB Preview Announced by Microsoft
2 March 2022, Redmondmag.com

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

Xoriant X⋅CELERATE IoT Now Available in the Microsoft Azure Marketplace
25 July 2022, PR Newswire

Microsoft Defender for Cosmos DB is Now Available in Preview
3 March 2022, Petri.com

Microsoft Warns Customers about a Critical Vulnerability in Azure Cosmos DB
31 August 2021, InfoQ.com

provided by Google News

Did Rockset Just Solve Real-Time Analytics?
25 August 2021, Datanami

provided by Google News

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