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DBMS > Apache Jena - TDB vs. Coveo vs. DolphinDB vs. Firebase Realtime Database vs. H2

System Properties Comparison Apache Jena - TDB vs. Coveo vs. DolphinDB vs. Firebase Realtime Database vs. H2

Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonCoveo  Xexclude from comparisonDolphinDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonH2  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentDolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.
Primary database modelRDF storeSearch engineTime Series DBMSDocument storeRelational DBMS
Secondary database modelsRelational DBMSSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#84  Overall
#3  RDF stores
Score2.28
Rank#114  Overall
#11  Search engines
Score4.13
Rank#80  Overall
#6  Time Series DBMS
Score14.29
Rank#39  Overall
#6  Document stores
Score8.13
Rank#49  Overall
#31  Relational DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlwww.coveo.comwww.dolphindb.comfirebase.google.com/­products/­realtime-databasewww.h2database.com
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmldocs.coveo.comdocs.dolphindb.cn/­en/­help200/­index.htmlfirebase.google.com/­docs/­databasewww.h2database.com/­html/­main.html
DeveloperApache Software Foundation infooriginally developed by HP LabsCoveoDolphinDB, IncGoogle infoacquired by Google 2014Thomas Mueller
Initial release20002012201820122005
Current release4.9.0, July 2023v2.00.4, January 20222.2.220, July 2023
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0commercialcommercial infofree community version availablecommercialOpen Source infodual-licence (Mozilla public license, Eclipse public license)
Cloud-based only infoOnly available as a cloud servicenoyesnoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++Java
Server operating systemsAll OS with a Java VMhostedLinux
Windows
hostedAll OS with a Java VM
Data schemeyes infoRDF Schemashybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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 indexesyesyesyesyesyes
SQL infoSupport of SQLnonoSQL-like query languagenoyes
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
RESTful HTTP APIJDBC
JSON over HTTP
Kafka
MQTT (Message Queue Telemetry Transport)
ODBC
OPC DA
OPC UA
RabbitMQ
WebSocket
Android
iOS
JavaScript API
RESTful HTTP API
JDBC
ODBC
Supported programming languagesJavaC#
Java
JavaScript
Python
C#
C++
Go
Java
JavaScript
MatLab
Python
R
Rust
Java
JavaScript
Objective-C
Java
Server-side scripts infoStored proceduresyesnoyeslimited functionality with using 'rules'Java Stored Procedures and User-Defined Functions
Triggersyes infovia event handleryesnoCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesyesWith clustering: 2 database servers on different computers operate on identical copies of a database
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsyesyesyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess control via Jena Securitygranular access controls, API key management, content filtersAdministrators, Users, Groupsyes, based on authentication and database rulesfine grained access rights according to SQL-standard

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More resources
Apache Jena - TDBCoveoDolphinDBFirebase Realtime DatabaseH2
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