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DBMS > Ehcache vs. H2 vs. IBM Cloudant vs. Oracle Coherence vs. Tkrzw

System Properties Comparison Ehcache vs. H2 vs. IBM Cloudant vs. Oracle Coherence vs. Tkrzw

Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonH2  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonOracle Coherence  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Database as a Service offering based on Apache CouchDBOracles in-memory data grid solutionA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelKey-value storeRelational DBMSDocument storeKey-value storeKey-value store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.64
Rank#68  Overall
#8  Key-value stores
Score8.33
Rank#46  Overall
#30  Relational DBMS
Score2.75
Rank#104  Overall
#19  Document stores
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.07
Rank#372  Overall
#57  Key-value stores
Websitewww.ehcache.orgwww.h2database.comwww.ibm.com/­products/­cloudantwww.oracle.com/­java/­coherencedbmx.net/­tkrzw
Technical documentationwww.ehcache.org/­documentationwww.h2database.com/­html/­main.htmlcloud.ibm.com/­docs/­Cloudantdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperTerracotta Inc, owned by Software AGThomas MuellerIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014OracleMikio Hirabayashi
Initial release20092005201020072020
Current release3.10.0, March 20222.2.220, July 202314.1, August 20230.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercialcommercialOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaErlangJavaC++
Server operating systemsAll OS with a Java VMAll OS with a Java VMhostedAll OS with a Java VMLinux
macOS
Data schemeschema-freeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnoyesno
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.nonononono
Secondary indexesnoyesyesno
SQL infoSupport of SQLnoyesnonono
APIs and other access methodsJCacheJDBC
ODBC
RESTful HTTP/JSON APIJCache
JPA
RESTful HTTP API
Supported programming languagesJavaJavaC#
Java
JavaScript
Objective-C
PHP
Ruby
.Net
C++
Java
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoJava Stored Procedures and User-Defined FunctionsView functions (Map-Reduce) in JavaScriptnono
Triggersyes infoCache Event Listenersyesyesyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta ServernoneShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta ServerWith clustering: 2 database servers on different computers operate on identical copies of a databaseMulti-source replication
Source-replica replication
yes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyEventual ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourceACIDno infoatomic operations within a document possibleconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes infoOptimistic lockingyesyes
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyesyes infousing specific database classes
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights for users can be defined per databaseauthentification to access the cache via certificates or http basic authenticationno

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More resources
EhcacheH2IBM CloudantOracle CoherenceTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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