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DBMS > Amazon DynamoDB vs. IBM Cloudant vs. Kdb vs. Raima Database Manager vs. Realm

System Properties Comparison Amazon DynamoDB vs. IBM Cloudant vs. Kdb vs. Raima Database Manager vs. Realm

Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonKdb  Xexclude from comparisonRaima Database Manager infoformerly named db_Vista  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudDatabase as a Service offering based on Apache CouchDBHigh performance Time Series DBMSRDBMS with a small footprint, either embedded into an application or used as a database serverA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelDocument store
Key-value store
Document storeTime Series DBMS
Vector DBMS
Relational DBMS
Time Series DBMS
Document store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score74.07
Rank#17  Overall
#3  Document stores
#2  Key-value stores
Score2.68
Rank#106  Overall
#20  Document stores
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score0.46
Rank#259  Overall
#120  Relational DBMS
#22  Time Series DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Websiteaws.amazon.com/­dynamodbwww.ibm.com/­products/­cloudantkx.comraima.comrealm.io
Technical documentationdocs.aws.amazon.com/­dynamodbcloud.ibm.com/­docs/­Cloudantcode.kx.comdocs.raima.comrealm.io/­docs
DeveloperAmazonIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Kx Systems, a division of First Derivatives plcRaima Inc.Realm, acquired by MongoDB in May 2019
Initial release201220102000 infokdb was released 2000, kdb+ in 200319842014
Current release3.6, May 201815, June 2021
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationscommercialcommercial infofree 32-bit versioncommercialOpen Source
Cloud-based only infoOnly available as a cloud serviceyesyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangqC
Server operating systemshostedhostedLinux
OS X
Solaris
Windows
Android
HP-UX
Integrity RTOS
iOS
Linux
OS X
QNX
Solaris
VxWorks
Windows
Android
Backend: server-less
iOS
Windows
Data schemeschema-freeschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesnoyesyesyes
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.noyesno infoExporting/Importing of XML structures possibleno
Secondary indexesyesyesyes infotable attribute 'grouped'yesyes
SQL infoSupport of SQLnonoSQL-like query language (q)yesno
APIs and other access methodsRESTful HTTP APIRESTful HTTP/JSON APIHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
ADO.NET
JDBC
ODBC
RESTful HTTP API
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
C#
Java
JavaScript
Objective-C
PHP
Ruby
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C
C++
Objective-C
PL/SQL
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnoView functions (Map-Reduce) in JavaScriptuser defined functionsyes infobased on the ANSI/ISO SQL Persistent Stored Modules (PSM) specificationno inforuns within the applications so server-side scripts are unnecessary
Triggersyes infoby integration with AWS Lambdayesyes infowith viewsyesyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioninghorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication
Source-replica replication
Source-replica replicationSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)yesno infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Eventual ConsistencyImmediate ConsistencyImmediate Consistency or Eventual Consistency depending on configurationImmediate Consistency
Foreign keys infoReferential integritynonoyesyesno
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 regionno infoatomic operations within a document possiblenoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic lockingyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes infoIn-Memory realm
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Access rights for users can be defined per databaserights management via user accountsnoyes
More information provided by the system vendor
Amazon DynamoDBIBM CloudantKdbRaima Database Manager infoformerly named db_VistaRealm
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
Raima Database Manager (RDM) is an embedded time-series database optimized to run...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Decreased time-to-market Industry-standard interfaces & tools for making your job...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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Typical use cases include: Internet of Things (IoT) Embedded In-Memory Database Time-Series...
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Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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Infor, ABB, The Boeing Company, BAE Systems, Dow Jones, Dun & Bradstreet, Fujitsu,...
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Over 30 000 applications developers worldwide have field-tested RDM products More...
» more
Licensing and pricing modelsupon request
» more
Just as the technical aspects of Raima Database Manager are flexible, so are the...
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News

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1 October 2020

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19 May 2020

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Amazon DynamoDBIBM CloudantKdbRaima Database Manager infoformerly named db_VistaRealm
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