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DBMS > Apache Jena - TDB vs. Databend vs. Dgraph vs. EJDB vs. Hawkular Metrics

System Properties Comparison Apache Jena - TDB vs. Databend vs. Dgraph vs. EJDB vs. Hawkular Metrics

Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonDatabend  Xexclude from comparisonDgraph  Xexclude from comparisonEJDB  Xexclude from comparisonHawkular Metrics  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkAn open-source, elastic, and workload-aware cloud data warehouse designed to meet businesses' massive-scale analytics needs at low cost and with low complexityDistributed and scalable native Graph DBMSEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.
Primary database modelRDF storeRelational DBMSGraph DBMSDocument storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#84  Overall
#3  RDF stores
Score0.30
Rank#287  Overall
#130  Relational DBMS
Score1.45
Rank#156  Overall
#15  Graph DBMS
Score0.27
Rank#297  Overall
#44  Document stores
Score0.00
Rank#379  Overall
#40  Time Series DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlgithub.com/­datafuselabs/­databend
www.databend.com
dgraph.iogithub.com/­Softmotions/­ejdbwww.hawkular.org
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmldocs.databend.comdgraph.io/­docsgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdwww.hawkular.org/­hawkular-metrics/­docs/­user-guide
DeveloperApache Software Foundation infooriginally developed by HP LabsDatabend LabsDgraph Labs, Inc.SoftmotionsCommunity supported by Red Hat
Initial release20002021201620122014
Current release4.9.0, July 20231.0.59, April 2023
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoApache Version 2.0Open Source infoApache 2.0Open Source infoGPLv2Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaRustGoCJava
Server operating systemsAll OS with a Java VMhosted
Linux
macOS
Linux
OS X
Windows
server-lessLinux
OS X
Windows
Data schemeyes infoRDF Schemasyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyesyes infostring, integer, double, bool, date, object_idyes
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 indexesyesnoyesnono
SQL infoSupport of SQLnoyesnonono
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
CLI Client
JDBC
RESTful HTTP API
GraphQL query language
gRPC (using protocol buffers) API
HTTP API
in-process shared libraryHTTP REST
Supported programming languagesJavaGo
Java
JavaScript (Node.js)
Python
Rust
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Go
Java
Python
Ruby
Server-side scripts infoStored proceduresyesnononono
Triggersyes infovia event handlernononoyes infovia Hawkular Alerting
Partitioning methods infoMethods for storing different data on different nodesnonenoneyesnoneSharding infobased on Cassandra
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneSynchronous replication via Raftnoneselectable replication factor infobased on Cassandra
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Foreign keys infoReferential integritynonono infotypically not needed, however similar functionality with collection joins possibleno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsyesACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoRead/Write Lockingyes
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.no
User concepts infoAccess controlAccess control via Jena SecurityUsers with fine-grained authorization concept, user rolesno infoPlanned for future releasesnono

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More resources
Apache Jena - TDBDatabendDgraphEJDBHawkular Metrics
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