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DBMS > Amazon DynamoDB vs. Dolt vs. IBM Db2 vs. Riak KV

System Properties Comparison Amazon DynamoDB vs. Dolt vs. IBM Db2 vs. Riak KV

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Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonDolt  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonRiak KV  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudA MySQL compatible DBMS with Git-like versioning of data and schemaCommon in IBM host environments, 2 different versions for host and Windows/LinuxDistributed, fault tolerant key-value store
Primary database modelDocument store
Key-value store
Relational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBKey-value store infowith links between data sets and object tags for the creation of secondary indexes
Secondary database modelsDocument storeDocument store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
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
Score0.64
Rank#217  Overall
#104  Relational DBMS
Score157.23
Rank#7  Overall
#5  Relational DBMS
Score6.29
Rank#69  Overall
#10  Key-value stores
Websiteaws.amazon.com/­dynamodbgithub.com/­dolthub/­dolt
www.dolthub.com
www.ibm.com/­analytics/­db2riak.com/­products/­riak-kv
Technical documentationdocs.aws.amazon.com/­dynamodbdocs.dolthub.comwww.ibm.com/­support/­knowledgecenter/­SSEPGG
DeveloperAmazonDoltHub IncIBMBasho Technologies
Initial release201220181983 infohost version2009
Current release12.1, October 20162.1.0, April 2015
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationsOpen Source infoApache Version 2.0commercial infofree version is availableOpen Source infoApache version 2, commercial enterprise edition
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC and C++Erlang
Server operating systemshostedLinux
macOS
Windows
AIX
HP-UX
Linux
Solaris
Windows
z/OS
Linux
OS X
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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 indexesyesyesyesrestricted
SQL infoSupport of SQLnoyesyesno
APIs and other access methodsRESTful HTTP APICLI Client
HTTP REST
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
HTTP API
Native Erlang Interface
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
Server-side scripts infoStored proceduresnoyes infocurrently in alpha releaseyesJavaScript and Erlang
Triggersyes infoby integration with AWS Lambdayesyesyes infopre-commit hooks and post-commit hooks
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding infoonly with Windows/Unix/Linux VersionSharding infono "single point of failure"
Replication methods infoMethods for redundantly storing data on multiple nodesyesA database can be cloned to multiple locations and be used there in isolation. Data/schema changes can be pushed/pulled explicitly between locations.yes infowith separate tools (MQ, InfoSphere)selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)nonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Eventual Consistency
Foreign keys infoReferential integritynoyesyesno infolinks between data sets can be stored
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 regionACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Only one user is configurable, and must be specified in the config file at startupfine grained access rights according to SQL-standardno

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More resources
Amazon DynamoDBDoltIBM Db2 infoformerly named DB2 or IBM Database 2Riak KV
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