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DBMS > Ehcache vs. H2 vs. IBM Cloudant vs. Microsoft Azure AI Search vs. OpenTenBase

System Properties Comparison Ehcache vs. H2 vs. IBM Cloudant vs. Microsoft Azure AI Search vs. OpenTenBase

Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonH2  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparisonOpenTenBase  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 CouchDBSearch-as-a-service for web and mobile app developmentAn enterprise-level distributed HTAP open source database based on PostgreSQL
Primary database modelKey-value storeRelational DBMSDocument storeSearch engineRelational DBMS
Secondary database modelsSpatial DBMSVector 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
Score5.52
Rank#59  Overall
#6  Search engines
Score0.08
Rank#370  Overall
#156  Relational DBMS
Websitewww.ehcache.orgwww.h2database.comwww.ibm.com/­products/­cloudantazure.microsoft.com/­en-us/­services/­searchgithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
Technical documentationwww.ehcache.org/­documentationwww.h2database.com/­html/­main.htmlcloud.ibm.com/­docs/­Cloudantlearn.microsoft.com/­en-us/­azure/­searchdocs.opentenbase.org
docs.opentenbase.org/­en
DeveloperTerracotta Inc, owned by Software AGThomas MuellerIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014MicrosoftOpenAtom Foundation, previously Tencent
Initial release2009200520102015
Current release3.10.0, March 20222.2.220, July 2023V12.5, January 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercialcommercialOpen Source infoBSD-3
Cloud-based only infoOnly available as a cloud servicenonoyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaErlang
Server operating systemsAll OS with a Java VMAll OS with a Java VMhostedhostedLinux
Data schemeschema-freeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesnoyesyes
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 indexesnoyesyesyesyes
SQL infoSupport of SQLnoyesnonoyes
APIs and other access methodsJCacheJDBC
ODBC
RESTful HTTP/JSON APIRESTful HTTP API
Supported programming languagesJavaJavaC#
Java
JavaScript
Objective-C
PHP
Ruby
C#
Java
JavaScript
Python
C
Go
Java
PHP
Python
Server-side scripts infoStored proceduresnoJava Stored Procedures and User-Defined FunctionsView functions (Map-Reduce) in JavaScriptno
Triggersyes infoCache Event Listenersyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta ServernoneShardingSharding infoImplicit feature of the cloud serviceSharding
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 infoImplicit feature of the cloud serviceyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnonoyes
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 possiblenoACID
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 approachyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnono
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights for users can be defined per databaseyes infousing Azure authenticationAccess rights for users, groups and roles according to SQL-standard

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More resources
EhcacheH2IBM CloudantMicrosoft Azure AI SearchOpenTenBase
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