DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Datomic vs. Druid

System Properties Comparison Datomic vs. Druid

Please select another system to include it in the comparison.

Our visitors often compare Datomic and Druid with MongoDB, PostgreSQL and Amazon DynamoDB.

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonDruid  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityOpen-source analytics data store designed for OLAP queries on timeseries data
Primary database modelRelational DBMSRelational DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.11
Rank#112  Overall
#53  Relational DBMS
Score1.95
Rank#119  Overall
#57  Relational DBMS
#8  Time Series DBMS
Websitewww.datomic.comdruid.apache.org
Technical documentationdocs.datomic.comdruid.apache.org/­docs/­latest/­design
DeveloperCognitectMetamarkets Group and contributors
Initial release20122012
Current release0.9.5951, July 2019
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoApache license v2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureJava
Server operating systemsAll OS with a Java VMLinux
OS X
Unix
Data schemeyesyes infoschema-less columns are supported
Typing infopredefined data types such as float or dateyesyes
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 indexesyesyes
SQL infoSupport of SQLnoSQL support via Apache Calcite adapter
APIs and other access methodsRESTful HTTP APIJSON over HTTP
Supported programming languagesClojure
Java
Clojure
JavaScript
PHP
Python
R
Ruby
Scala
Server-side scripts infoStored proceduresyes infoTransaction Functionsno
TriggersBy using transaction functionsno
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersyes, via HDFS, S3 or other storage engines
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentno
User concepts infoAccess controlnono infoavailable via extensions

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

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

More resources
DatomicDruid
Recent citations in the news

These are the top 25 people with the most influence on the 'tech industry'
16 May 2019, Digital Information World

FaunaDB: A New Distributed Database from the Team That Scaled Twitter
24 March 2017, InfoQ.com

Clojure inventor Hickey now aims for Android
22 March 2012, InfoWorld

Top databases in 2017: Trends for SQL, NoSQL, Big Data, Fast Data
30 March 2017, JAXenter

Insights into the assembly and activation of the microtubule nucleator γ-TuRC
19 December 2019, Nature.com

provided by Google News

Introducing Apache Druid
17 January 2020, insideBIGDATA

Druid Developer Expands Query Options
17 April 2020, Datanami

Druid Developer Ramps Cloud-Native Approach
10 December 2019, Datanami

Real-Time Analytics from Your Data Lake Teaching the Elephant to Dance
21 January 2020, insideBIGDATA

Imply launches with $2M to commercialize the Druid open-source data store
19 October 2015, VentureBeat

provided by Google News

Job opportunities

Software Engineer
Medical Database, Inc, Irvine, CA

Software Engineer
Nomi Health, Austin, TX

Engineering Leader - Head of Development
Nomi Health, Austin, TX

Data Engineer (Remote)
kraken, Remote

Community Engineer
Imply, Burlingame, CA

Solutions Architect
Imply, Burlingame, CA

Technical Support Engineer
Imply, Burlingame, CA

Principal Software Development Engineer, Big Data - Customer Data Platform
Zillow Group, Seattle, WA

jobs by Indeed




Share this page

Featured Products

Datastax Luna logo

Simple, subscription-based support for open source
Apache Cassandra™ from the Cassandra experts.
Learn more.

RavenDB logo

Setup a fully managed RavenDB Cloud Database in minutes. Enjoy hosting, management, backups all in one place.
Grab a Free Instance

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Present your product here