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DBMS > Lovefield vs. Oracle Coherence vs. RDFox vs. TerminusDB

System Properties Comparison Lovefield vs. Oracle Coherence vs. RDFox vs. TerminusDB

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRDFox  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptOracles in-memory data grid solutionHigh performance knowledge graph and semantic reasoning engineScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelRelational DBMSKey-value storeGraph DBMS
RDF store
Graph DBMS
Secondary database modelsRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score0.23
Rank#316  Overall
#27  Graph DBMS
Websitegoogle.github.io/­lovefieldwww.oracle.com/­java/­coherencewww.oxfordsemantic.techterminusdb.com
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mddocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.oxfordsemantic.techterminusdb.github.io/­terminusdb/­#
DeveloperGoogleOracleOxford Semantic TechnologiesDataChemist Ltd.
Initial release2014200720172018
Current release2.1.12, February 201714.1, August 20236.0, Septermber 202211.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialcommercialOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaC++Prolog, Rust
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariAll OS with a Java VMLinux
macOS
Windows
Linux
Data schemeyesschema-freeyes infoRDF schemasyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesno
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternnonoSQL-like query language (WOQL)
APIs and other access methodsJCache
JPA
RESTful HTTP API
RESTful HTTP API
SPARQL 1.1
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesJavaScript.Net
C++
Java
C
Java
JavaScript
Python
Server-side scripts infoStored proceduresnonoyes
TriggersUsing read-only observersyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, with selectable consistency levelreplication via a shared file systemJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurableACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyes infooptionallyyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing MemoryDByesyes
User concepts infoAccess controlnoauthentification to access the cache via certificates or http basic authenticationRoles, resources, and access typesRole-based access control

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More resources
LovefieldOracle CoherenceRDFoxTerminusDB infoformer name was DataChemist
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