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DBMS > Amazon DynamoDB vs. Citus vs. HugeGraph

System Properties Comparison Amazon DynamoDB vs. Citus vs. HugeGraph

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Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonCitus  Xexclude from comparisonHugeGraph  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLA fast-speed and highly-scalable Graph DBMS
Primary database modelDocument store
Key-value store
Relational DBMSGraph DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score83.85
Rank#15  Overall
#2  Document stores
#2  Key-value stores
Score3.11
Rank#104  Overall
#53  Relational DBMS
Score0.52
Rank#257  Overall
#21  Graph DBMS
Websiteaws.amazon.com/­dynamodbwww.citusdata.comgithub.com/­hugegraph
Technical documentationdocs.aws.amazon.com/­dynamodbdocs.citusdata.comhugegraph.github.io/­hugegraph-doc
DeveloperAmazonBaidu
Initial release201220102018
Current release8.1, December 20180.9
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationsOpen Source infoAGPL, commercial license also availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJava
Server operating systemshostedLinuxLinux
macOS
Unix
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes
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 infospecific XML type available, but no XML query functionalityno
Secondary indexesyesyesyes infoalso supports composite index and range index
SQL infoSupport of SQLnoyes infostandard, with numerous extensionsno
APIs and other access methodsRESTful HTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Java API
RESTful HTTP API
TinkerPop Gremlin
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Groovy
Java
Python
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.asynchronous Gremlin script jobs
Triggersyes infoby integration with AWS Lambdayesno
Partitioning methods infoMethods for storing different data on different nodesShardingShardingyes infodepending on used storage backend, e.g. Cassandra and HBase
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replication infoother methods possible by using 3rd party extensionsyes infodepending on used storage backend, e.g. Cassandra and HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)novia hugegraph-spark
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesyes infoedges in graph
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 regionACIDACID
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.noyes
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)fine grained access rights according to SQL-standardUsers, roles and permissions

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More resources
Amazon DynamoDBCitusHugeGraph
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Recent citations in the news

ISO Better Scaling, Instacart Drops Postgres for Amazon DynamoDB
29 November 2022, thenewstack.io

How To Use AWS DynamoDB With Python
5 December 2022, Digital Journal

DynamoDB Data Transformation Safety: from Manual Toil to Automated and Open Source
23 November 2022, InfoQ.com

Meet the database that supports Amazon.com
14 November 2022, The Register

Breaking: AWS Experienced an Outage in Its US-East 2 Availability Zone
5 December 2022, Data Center Knowledge

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Citus For PostgreSQL Goes Fully Open Source
4 July 2022, iProgrammer

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30 January 2019, Data Center Knowledge

What is Azure Database for PostgreSQL Flexible Server?
24 June 2022, TechRepublic

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10 November 2022, Business Insider

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12 October 2022, thenewstack.io

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