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DBMS > Alibaba Cloud PolarDB vs. Apache Jena - TDB vs. XTDB

System Properties Comparison Alibaba Cloud PolarDB vs. Apache Jena - TDB vs. XTDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonApache Jena - TDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.A RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelRelational DBMSRDF storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.82
Rank#205  Overall
#97  Relational DBMS
Score2.91
Rank#93  Overall
#3  RDF stores
Score0.13
Rank#330  Overall
#45  Document stores
Websitewww.alibabacloud.com/­product/­polardbjena.apache.org/­documentation/­tdb/­index.htmlgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewjena.apache.org/­documentation/­tdb/­index.htmlwww.xtdb.com/­docs
DeveloperAlibabaApache Software Foundation infooriginally developed by HP LabsJuxt Ltd.
Initial release20002019
Current release4.9.0, July 20231.19, September 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache License, Version 2.0Open Source infoMIT License
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaClojure
Server operating systemshostedAll OS with a Java VMAll OS with a Java 8 (and higher) VM
Linux
Data schemeyesyes infoRDF Schemasschema-free
Typing infopredefined data types such as float or dateyesyesyes, extensible-data-notation format
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.yesno
Secondary indexesyesyesyes
SQL infoSupport of SQLyesnolimited SQL, making use of Apache Calcite
APIs and other access methodsJDBC
ODBC
Fuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
HTTP REST
JDBC
Supported programming languagesJava
Python
JavaClojure
Java
Server-side scripts infoStored proceduresyesyesno
Triggersyesyes infovia event handlerno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenoneyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infoTDB TransactionsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess control via Jena Security
More information provided by the system vendor
Alibaba Cloud PolarDBApache Jena - TDBXTDB infoformerly named Crux
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
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Alibaba Cloud PolarDBApache Jena - TDBXTDB infoformerly named Crux
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