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DBMS > Alibaba Cloud PolarDB vs. Ehcache vs. EsgynDB vs. IBM Db2 vs. RDF4J

System Properties Comparison Alibaba Cloud PolarDB vs. Ehcache vs. EsgynDB vs. IBM Db2 vs. RDF4J

Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonEhcache  Xexclude from comparisonEsgynDB  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.A widely adopted Java cache with tiered storage optionsEnterprise-class SQL-on-Hadoop solution, powered by Apache TrafodionCommon in IBM host environments, 2 different versions for host and Windows/LinuxRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.
Primary database modelRelational DBMSKey-value storeRelational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRDF store
Secondary database modelsDocument store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.82
Rank#205  Overall
#97  Relational DBMS
Score4.79
Rank#66  Overall
#8  Key-value stores
Score0.15
Rank#325  Overall
#144  Relational DBMS
Score123.05
Rank#9  Overall
#6  Relational DBMS
Score0.72
Rank#222  Overall
#9  RDF stores
Websitewww.alibabacloud.com/­product/­polardbwww.ehcache.orgwww.esgyn.cnwww.ibm.com/­products/­db2rdf4j.org
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewwww.ehcache.org/­documentationwww.ibm.com/­docs/­en/­db2rdf4j.org/­documentation
DeveloperAlibabaTerracotta Inc, owned by Software AGEsgynIBMSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.
Initial release200920151983 infohost version2004
Current release3.10.0, March 202212.1, October 2016
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2; commercial licenses availablecommercialcommercial infofree version is availableOpen Source infoEclipse Distribution License (EDL), v1.0.
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++, JavaC and C++Java
Server operating systemshostedAll OS with a Java VMLinuxAIX
HP-UX
Linux
Solaris
Windows
z/OS
Linux
OS X
Unix
Windows
Data schemeyesschema-freeyesyesyes infoRDF Schemas
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.yesnono
Secondary indexesyesnoyesyesyes
SQL infoSupport of SQLyesnoyesyesno
APIs and other access methodsJDBC
ODBC
JCacheADO.NET
JDBC
ODBC
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
Java API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
Supported programming languagesJava
Python
JavaAll languages supporting JDBC/ODBC/ADO.NetC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
Java
PHP
Python
Server-side scripts infoStored proceduresyesnoJava Stored Proceduresyesyes
Triggersyesyes infoCache Event Listenersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infoby using Terracotta ServerShardingSharding infoonly with Windows/Unix/Linux Versionnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyes infoby using Terracotta ServerMulti-source replication between multi datacentersyes infowith separate tools (MQ, InfoSphere)none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyTunable Consistency (Strong, Eventual, Weak)Immediate Consistency
Foreign keys infoReferential integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infosupports JTA and can work as an XA resourceACIDACIDACID infoIsolation support depends on the API used
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infousing a tiered cache-storage approachyesyesyes infoin-memory storage is supported as well
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardnofine grained access rights according to SQL-standardfine grained access rights according to SQL-standardno
More information provided by the system vendor
Alibaba Cloud PolarDBEhcacheEsgynDBIBM Db2 infoformerly named DB2 or IBM Database 2RDF4J infoformerly known as Sesame
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More resources
Alibaba Cloud PolarDBEhcacheEsgynDBIBM Db2 infoformerly named DB2 or IBM Database 2RDF4J infoformerly known as Sesame
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