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DBMS > Apache Cassandra vs. Oracle Coherence vs. RDFox

System Properties Comparison Apache Cassandra vs. Oracle Coherence vs. RDFox

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Editorial information provided by DB-Engines
NameApache Cassandra  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessOracles in-memory data grid solutionHigh performance knowledge graph and semantic reasoning engine
Primary database modelWide column storeKey-value storeGraph DBMS
RDF store
Secondary database modelsVector DBMS infostarting with release V5Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score106.65
Rank#11  Overall
#1  Wide column stores
Score1.66
Rank#132  Overall
#22  Key-value stores
Score0.26
Rank#291  Overall
#23  Graph DBMS
#12  RDF stores
Websitecassandra.apache.orgwww.oracle.com/­java/­coherencewww.oxfordsemantic.tech
Technical documentationcassandra.apache.org/­doc/­latestdocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.oxfordsemantic.tech
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookOracleOxford Semantic Technologies
Initial release200820072017
Current release5.0-rc1, July 202414.1, August 20236.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache version 2commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC++
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java VMLinux
macOS
Windows
Data schemeschema-freeschema-freeyes infoRDF schemas
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.nono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionno
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)nono
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JCache
JPA
RESTful HTTP API
RESTful HTTP API
SPARQL 1.1
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C++
Java
C
Java
Server-side scripts infoStored proceduresnono
Triggersyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes, with selectable consistency levelreplication via a shared file system
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
Eventual Consistency
Immediate Consistency
Immediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlAccess rights for users can be defined per objectauthentification to access the cache via certificates or http basic authenticationRoles, resources, and access types
More information provided by the system vendor
Apache CassandraOracle CoherenceRDFox
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More resources
Apache CassandraOracle CoherenceRDFox
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Facebook’s Database Handling Billions of Messages (Apache Cassandra® Deep Dive)
11 March 2025, substack.com

IBM plans to buy open source Cassandra wrangler DataStax
25 February 2025, The Register

Best practices for running Apache Cassandra with Amazon EBS
8 November 2024, AWS Blog

New Apache Cassandra 5.0 gives open source NoSQL database a scalability and performance boost
6 September 2024, VentureBeat

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18 July 2024, Samsung Global Newsroom

Samsung buys UK startup Oxford Semantic to boost ‘personalised AI experiences’
18 July 2024, TNW

Samsung acquires knowledge graph startup Oxford Semantics
18 July 2024, The Stack

University spin-out Oxford Semantic Technologies acquired by Samsung Electronics
16 July 2024, University of Oxford

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20 February 2023, AWS Blog

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