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DBMS > Hazelcast vs. ObjectBox vs. Oracle Coherence vs. PouchDB vs. searchxml

System Properties Comparison Hazelcast vs. ObjectBox vs. Oracle Coherence vs. PouchDB vs. searchxml

Editorial information provided by DB-Engines
NameHazelcast  Xexclude from comparisonObjectBox  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPouchDB  Xexclude from comparisonsearchxml  Xexclude from comparison
DescriptionA widely adopted in-memory data gridExtremely fast embedded database for small devices, IoT and MobileOracles in-memory data grid solutionJavaScript DBMS with an API inspired by CouchDBDBMS for structured and unstructured content wrapped with an application server
Primary database modelKey-value storeObject oriented DBMSKey-value storeDocument storeNative XML DBMS
Search engine
Secondary database modelsDocument store infoJSON support with IMDG 3.12Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.46
Rank#61  Overall
#7  Key-value stores
Score1.29
Rank#166  Overall
#5  Object oriented DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score2.34
Rank#112  Overall
#21  Document stores
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Websitehazelcast.comobjectbox.iowww.oracle.com/­java/­coherencepouchdb.comwww.searchxml.net/­category/­products
Technical documentationhazelcast.org/­imdg/­docsdocs.objectbox.iodocs.oracle.com/­en/­middleware/­standalone/­coherencepouchdb.com/­guideswww.searchxml.net/­support/­handouts
DeveloperHazelcastObjectBox LimitedOracleApache Software Foundationinformationpartners gmbh
Initial release20082017200720122015
Current release5.3.6, November 202314.1, August 20237.1.1, June 20191.0
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache License 2.0commercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC and C++JavaJavaScriptC++
Server operating systemsAll OS with a Java VMAndroid
iOS
Linux
macOS
Windows
All OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)Windows
Data schemeschema-freeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyesnoyes
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.yes infothe object must implement a serialization strategynononoyes
Secondary indexesyesyesnoyes infovia viewsyes
SQL infoSupport of SQLSQL-like query languagenononono
APIs and other access methodsJCache
JPA
Memcached protocol
RESTful HTTP API
Proprietary native APIJCache
JPA
RESTful HTTP API
HTTP REST infoonly for PouchDB Server
JavaScript API
RESTful HTTP API
WebDAV
XQuery
XSLT
Supported programming languages.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
C
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
.Net
C++
Java
JavaScriptC++ infomost other programming languages supported via APIs
Server-side scripts infoStored proceduresyes infoEvent Listeners, Executor ServicesnonoView functions in JavaScriptyes infoon the application server
Triggersyes infoEventsnoyes infoLive Eventsyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingSharding infowith a proxy-based framework, named couchdb-loungenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated Maponline/offline synchronization between client and serveryes, with selectable consistency levelMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
yes infosychronisation to multiple collections
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmImmediate ConsistencyEventual Consistency
Immediate Consistency
Eventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataone or two-phase-commit; repeatable reads; read commitedACIDconfigurablenomultiple readers, single writer
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyesno
User concepts infoAccess controlRole-based access controlyesauthentification to access the cache via certificates or http basic authenticationnoDomain, group and role-based access control at the document level and for application services
More information provided by the system vendor
HazelcastObjectBoxOracle CoherencePouchDBsearchxml
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