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DBMS > atoti vs. Oracle Coherence vs. Quasardb vs. RDFox vs. SiteWhere

System Properties Comparison atoti vs. Oracle Coherence vs. Quasardb vs. RDFox vs. SiteWhere

Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonOracle Coherence  Xexclude from comparisonQuasardb  Xexclude from comparisonRDFox  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.Oracles in-memory data grid solutionDistributed, high-performance timeseries databaseHigh performance knowledge graph and semantic reasoning engineM2M integration platform for persisting/querying time series data
Primary database modelObject oriented DBMSKey-value storeTime Series DBMSGraph DBMS
RDF store
Time Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.61
Rank#243  Overall
#10  Object oriented DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websiteatoti.iowww.oracle.com/­java/­coherencequasar.aiwww.oxfordsemantic.techgithub.com/­sitewhere/­sitewhere
Technical documentationdocs.atoti.iodocs.oracle.com/­en/­middleware/­standalone/­coherencedoc.quasar.ai/­masterdocs.oxfordsemantic.techsitewhere1.sitewhere.io/­index.html
DeveloperActiveViamOraclequasardbOxford Semantic TechnologiesSiteWhere
Initial release2007200920172010
Current release14.1, August 20233.14.1, January 20246.0, Septermber 2022
License infoCommercial or Open Sourcecommercial infofree versions availablecommercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensescommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC++C++Java
Server operating systemsAll OS with a Java VMBSD
Linux
OS X
Windows
Linux
macOS
Windows
Linux
OS X
Windows
Data schemeschema-freeschema-freeyes infoRDF schemaspredefined scheme
Typing infopredefined data types such as float or dateyesyes infointeger and binaryyesyes
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.nonono
Secondary indexesnoyes infowith tagsno
SQL infoSupport of SQLMultidimensional Expressions (MDX)noSQL-like query languagenono
APIs and other access methodsJCache
JPA
RESTful HTTP API
HTTP APIRESTful HTTP API
SPARQL 1.1
HTTP REST
Supported programming languages.Net
C++
Java
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
C
Java
Server-side scripts infoStored proceduresPythonnono
Triggersyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingSharding infoconsistent hashingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelSource-replica replication with selectable replication factorreplication via a shared file systemselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataconfigurableACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyes infooptionallyyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoTransient modeyesno
User concepts infoAccess controlauthentification to access the cache via certificates or http basic authenticationCryptographically strong user authentication and audit trailRoles, resources, and access typesUsers with fine-grained authorization concept

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More resources
atotiOracle CoherenceQuasardbRDFoxSiteWhere
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