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DBMS > Ehcache vs. EXASOL vs. H2 vs. IBM Cloudant

System Properties Comparison Ehcache vs. EXASOL vs. H2 vs. IBM Cloudant

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonEXASOL  Xexclude from comparisonH2  Xexclude from comparisonIBM Cloudant  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Full-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 CouchDB
Primary database modelKey-value storeRelational DBMSRelational DBMSDocument store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.23
Rank#68  Overall
#8  Key-value stores
Score2.25
Rank#120  Overall
#57  Relational DBMS
Score8.22
Rank#50  Overall
#32  Relational DBMS
Score2.73
Rank#108  Overall
#20  Document stores
Websitewww.ehcache.orgwww.exasol.comwww.h2database.comwww.ibm.com/­products/­cloudant
Technical documentationwww.ehcache.org/­documentationwww.exasol.com/­resourceswww.h2database.com/­html/­main.htmlcloud.ibm.com/­docs/­Cloudant
DeveloperTerracotta Inc, owned by Software AGExasolThomas MuellerIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014
Initial release2009200020052010
Current release3.10.0, March 20222.2.220, July 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availablecommercialOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaErlang
Server operating systemsAll OS with a Java VMAll OS with a Java VMhosted
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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 indexesnoyesyesyes
SQL infoSupport of SQLnoyesyesno
APIs and other access methodsJCache.Net
JDBC
ODBC
WebSocket
JDBC
ODBC
RESTful HTTP/JSON API
Supported programming languagesJavaJava
Lua
Python
R
JavaC#
Java
JavaScript
Objective-C
PHP
Ruby
Server-side scripts infoStored proceduresnouser defined functionsJava Stored Procedures and User-Defined FunctionsView functions (Map-Reduce) in JavaScript
Triggersyes infoCache Event Listenersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta ServerShardingnoneSharding
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
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourceACIDACIDno infoatomic operations within a document possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes infoOptimistic locking
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlnoAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardAccess rights for users can be defined per database

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More resources
EhcacheEXASOLH2IBM Cloudant
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