DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Amazon DynamoDB vs. Citus vs. Datomic

System Properties Comparison Amazon DynamoDB vs. Citus vs. Datomic

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonCitus  Xexclude from comparisonDatomic  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 PostgreSQLDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durability
Primary database modelDocument store
Key-value store
Relational DBMSRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score76.55
Rank#16  Overall
#2  Document stores
#2  Key-value stores
Score1.48
Rank#139  Overall
#68  Relational DBMS
Score1.82
Rank#127  Overall
#62  Relational DBMS
Websiteaws.amazon.com/­dynamodbwww.citusdata.comwww.datomic.com
Technical documentationdocs.aws.amazon.com/­dynamodbdocs.citusdata.comdocs.datomic.com
DeveloperAmazonCognitect
Initial release201220102012
Current release8.1, December 20180.9.5951, July 2019
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationsOpen Source infoAGPL, commercial license also availablecommercial infolimited edition free
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJava, Clojure
Server operating systemshostedLinuxAll OS with a Java VM
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
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
RESTful HTTP API
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
Clojure
Java
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes infoTransaction Functions
Triggersyes infoby integration with AWS LambdayesBy using transaction functions
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnone infoBut extensive use of caching in the application peers
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replication infoother methods possible by using 3rd party extensionsnone infoBut extensive use of caching in the application peers
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)nono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
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 infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes inforecommended only for testing and development
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-standardno

More information provided by the system vendor

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.

Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Amazon DynamoDBCitusDatomic
DB-Engines blog posts

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

The popularity of cloud-based DBMSs has increased tenfold in four years
7 February 2017, Matthias Gelbmann

Increased popularity for consuming DBMS services out of the cloud
2 October 2015, Paul Andlinger

show all

Recent citations in the news

The 10 Best AWS Big Data Training and Online Courses for 2021
21 September 2021, Solutions Review

Amazon Genomics CLI Seeks to Improve Integration of Bioinformatics With AWS Cloud
20 October 2021, GenomeWeb

A better way to query DynamoDB data with SQL
10 March 2021, TechTarget

Forgeahead Solutions Gets AWS Partner Designation for Serverless Computing Services
29 September 2021, EIN News

New Products Posted to GenomeWeb: Adaptive Biotechnologies, Amazon, Thermo Fisher, More
1 October 2021, GenomeWeb

provided by Google News

Testing times: Microsoft gets PostgreSQL on Azure a day after GA
4 October 2021, The Register

PostgreSQL 14 Is Here - A Look At Its Past And Future
1 October 2021, iProgrammer

How to Use Citus to Shard Postgres, for Performance & Scale - Microsoft
16 September 2021, Channel 9

Microsoft acquires Citus Data for its open source PostgreSQL tool
24 January 2019, VentureBeat

Microsoft Expands Azure PostgreSQL Moxy Through Citus Data Purchase
30 January 2019, Data Center Knowledge

provided by Google News

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal Architecture and Public Cloud at Nubank
16 August 2021, InfoQ.com

Nubank buys firm behind Clojure programming language
28 July 2020, Finextra

Brazil's Nubank Acquires US Software Firm Cognitect
30 July 2020, Nearshore Americas

How to Use Architectural Decision Records to Make Decisions
16 March 2021, Business Insider

Homoiconicity: It Is What It Is
31 October 2017, InfoQ.com

provided by Google News

Job opportunities

Front End Developer
Building Safety Solutions, Inc.(BSS), Remote

Front End Developer
Skywalk Global, Dallas, TX

Data Specialist
Allied Pixel, Remote

Manual Tester
Highbrow-Tech, Remote

.NET Software Engineer
Mantek Solutions, Remote

Database Administrator
Cyxtera Management, Addison, TX

Staff Engineer, Machine Learning
Samsung Electronics, Plano, TX

Infrastructure Engineer, Platform (Senior / Staff)
Heap, California

Software Engineer - Data Platform (Senior/Staff)
Heap, California

Big Data Developer
Sonatafy Technology, Remote

Full Stack Engineer
i3 Patterns Inc, Remote

Sr. Backend Engineer (Clojure, Datomic)
Railsbank, Chicago, IL

Data Platform Engineer
Analytical Flavor Systems, Inc, Remote

Sr. iOS Engineer
Client Resources, Inc., Lincoln, NE

Sr. Backend Engineer - ( .NET)
Railsbank, Chicago, IL

jobs by Indeed



Share this page

Featured Products

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Present your product here