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DBMS > Cassandra vs. DataChemist

System Properties Comparison Cassandra vs. DataChemist

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonDataChemist  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelWide column storeGraph DBMS
Secondary database modelsRDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score125.21
Rank#10  Overall
#1  Wide column stores
Score0.07
Rank#305  Overall
#31  Graph DBMS
Websitecassandra.apache.orgwww.datachemist.com
Technical documentationcassandra.apache.org/­doc/­latestwww.datachemist.com/­images/­uploads/­general/­Evolving_MeaningfulValuefromEnterpriseData.pdf
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookDataChemist Ltd.
Initial release20082018
Current release3.11.4, February 20191.0, 2018
License infoCommercial or Open SourceOpen Source infoApache version 2commercial
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 languageJavaProlog
Server operating systemsBSD
Linux
OS X
Windows
Linux
Data schemeschema-freeyes
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 indexesrestricted infoonly equality queries, not always the best performing solution
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like query language (WOQL)
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
OWL
RESTful HTTP API
WOQL (DataChemist Query Language)
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
JavaScript
Python
Server-side scripts infoStored proceduresnoyes
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Graph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess rights for users can be defined per objectRole-based access control
More information provided by the system vendor
CassandraDataChemist
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

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Related products and services
3rd partiesInstaclustr: Fully Hosted and Managed Apache Cassandra
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DataStax Enterprise: Apache Cassandra for enterprises.
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CData: Connect to Big Data & NoSQL through standard Drivers.
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More resources
CassandraDataChemist
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Recent citations in the news

Sr. Cassandra Site Reliability Engineer - Grubhub
26 July 2019, Built In Chicago

MobilePay Capitalizes on Modern Apps With DataStax
29 July 2019, Yahoo Finance

DataStax and VMware Expand Collaboration for Hybrid Cloud Solutions
6 August 2019, Yahoo Finance

DataStax: what is a 'progressive' cloud strategy? - Open Source Insider
7 August 2019, ComputerWeekly.com

DataStax Co-Founder and CTO to Discuss Accelerating Innovation and Development in a Cloud World
12 August 2019, Business Wire

provided by Google News

DataChemist wants to make sense of big-picture intelligence in the data analytics 'arms race'
7 March 2019, Fora.ie

Dublin start-up chosen to work on global peace initiative
7 January 2019, The Irish Times

'If data is the new oil, DataChemist is the refinery'
27 August 2018, RTÉ News

Tánaiste Simon Coveney Launches DataChemist, Trinity College Dublin Technology Spin-out
28 August 2018, Irish Tech News

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5 August 2019, Space.com

provided by Google News

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