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 > Cassandra vs. Datomic vs. DuckDB vs. RocksDB

System Properties Comparison Cassandra vs. Datomic vs. DuckDB vs. RocksDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonDatomic  Xexclude from comparisonDuckDB  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityAn embeddable, in-process, column-oriented SQL OLAP RDBMSEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelWide column storeRelational DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score119.28
Rank#10  Overall
#1  Wide column stores
Score1.82
Rank#127  Overall
#62  Relational DBMS
Score0.18
Rank#291  Overall
#135  Relational DBMS
Score3.82
Rank#87  Overall
#14  Key-value stores
Websitecassandra.apache.orgwww.datomic.comduckdb.orgrocksdb.org
Technical documentationcassandra.apache.org/­doc/­latestdocs.datomic.comduckdb.org/­docsgithub.com/­facebook/­rocksdb/­wiki
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookCognitectFacebook, Inc.
Initial release2008201220182013
Current release4.0.1, September 20210.9.5951, July 20190.2, August 20206.22.1, July 2021
License infoCommercial or Open SourceOpen Source infoApache version 2commercial infolimited edition freeOpen Source infoMIT LicenseOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaJava, ClojureC++C++
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java VMserver-less
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.nononono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyesno
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noyesno
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
RESTful HTTP APICLI Client
JDBC
C++ API
Java API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Clojure
Java
C
C++
Go info3rd party driver
Java
Python
R
Ruby info3rd party driver
C++
Java
Server-side scripts infoStored proceduresnoyes infoTransaction Functionsnono
TriggersyesBy using transaction functionsnono
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"none infoBut extensive use of caching in the application peersnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possiblenone infoBut extensive use of caching in the application peersnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACIDyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes
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 developmentyesyes
User concepts infoAccess controlAccess rights for users can be defined per objectnonono
More information provided by the system vendor
CassandraDatomicDuckDBRocksDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more

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 partiesInstaclustr: Hosted & Managed Apache Cassandra as a Service
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more

CData: 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
CassandraDatomicDuckDBRocksDB
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

Recent citations in the news

Working with Azure Managed Instance for Cassandra
22 September 2021, InfoWorld

Now with a Single GraphQL API Call, Developers Can Query Multiple Relational and NoSQL Databases
5 October 2021, Business Wire

Instaclustr Announces General Availability of Fully Managed Apache Cassandra 4.0
21 September 2021, GlobeNewswire

DataStax Announces Availability of the K8ssandra Open Source Data Platform for Kubernetes on VMware Marketplace
6 October 2021, Business Wire

Cloud-based Database Market Next Big Thing | Major Giants- Teradata, MongoDB, Cassandra
12 October 2021, Digital Journal

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

These are the top 25 people who will have the most influence in tech this year, according to a survey of over
11 May 2019, Business Insider India

provided by Google News

New CWI spin-off company DuckDB Labs: Solutions for fast database analytics
14 July 2021, Centrum Wiskunde & Informatica (CWI)

Apache Arrow 5 Improves Asynchronous Scanner
16 August 2021, iProgrammer

4 predictions for open source in 2021 | IDG Connect
29 December 2020, IDG Connect

provided by Google News

Did Rockset Just Solve Real-Time Analytics?
25 August 2021, Datanami

Toshiba Memory America Optimizes RocksDB for SSDs
5 August 2019, Business Wire

Facebook Open Sources MyRocks DB Engine And ZStandard Compression Algorithm
3 September 2016, Fossbytes

All 51 startups that debuted at Y Combinator W17 Demo Day 2
22 March 2017, TechCrunch

Information Builders Bets on Kafka for Real-Time Analytics
7 June 2019, RTInsights

provided by Google News

Job opportunities

Database Administrator - 3939662
Accenture, Charlotte, NC

Database Administrator
PMG Global, Herndon, VA

Database Administrator - DBA
iSpeech, Newark, NJ

Cassandra Database Engineer
CyberCore Technologies, Annapolis Junction, MD

Database Administrator
NCR, Atlanta, GA

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

Full Stack Engineer
i3 Patterns Inc, Remote

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

Sr. Product Manager
Parkside, San Francisco, CA

Data Platform Engineer
Analytical Flavor Systems, Inc, Remote

Search Engineer - Back End
Brave, California

Search Engineer - Back End
Brave Software Inc., Oregon

Software Engineer - Time
DataDog, New York, NY

Software Engineer
Intel, Hillsboro, OR

Software Engineer
DataDog, New York, NY

jobs by Indeed



Share this page

Featured Products

Couchbase logo

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

Neo4j logo

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

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..

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

AllegroGraph logo

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

Present your product here