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DBMS > HBase vs. PouchDB vs. Realm vs. Sequoiadb vs. Splunk

System Properties Comparison HBase vs. PouchDB vs. Realm vs. Sequoiadb vs. Splunk

Editorial information provided by DB-Engines
NameHBase  Xexclude from comparisonPouchDB  Xexclude from comparisonRealm  Xexclude from comparisonSequoiadb  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionWide-column store based on Apache Hadoop and on concepts of BigTableJavaScript DBMS with an API inspired by CouchDBA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataNewSQL database with distributed OLTP and SQLAnalytics Platform for Big Data
Primary database modelWide column storeDocument storeDocument storeDocument store
Relational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score27.97
Rank#26  Overall
#2  Wide column stores
Score2.34
Rank#112  Overall
#21  Document stores
Score7.41
Rank#52  Overall
#8  Document stores
Score0.50
Rank#258  Overall
#41  Document stores
#120  Relational DBMS
Score89.10
Rank#14  Overall
#2  Search engines
Websitehbase.apache.orgpouchdb.comrealm.iowww.sequoiadb.comwww.splunk.com
Technical documentationhbase.apache.org/­book.htmlpouchdb.com/­guidesrealm.io/­docswww.sequoiadb.com/­en/­index.php?m=Files&a=indexdocs.splunk.com/­Documentation/­Splunk
DeveloperApache Software Foundation infoApache top-level project, originally developed by PowersetApache Software FoundationRealm, acquired by MongoDB in May 2019Sequoiadb Ltd.Splunk Inc.
Initial release20082012201420132003
Current release2.3.4, January 20217.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache version 2Open SourceOpen SourceOpen Source infoServer: AGPL; Client: Apache V2commercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScriptC++
Server operating systemsLinux
Unix
Windows infousing Cygwin
server-less, requires a JavaScript environment (browser, Node.js)Android
Backend: server-less
iOS
Windows
LinuxLinux
OS X
Solaris
Windows
Data schemeschema-free, schema definition possibleschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateoptions to bring your own types, AVROnoyesyes infooid, date, timestamp, binary, regexyes
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.nonononoyes
Secondary indexesnoyes infovia viewsyesyesyes
SQL infoSupport of SQLnononoSQL-like query languageno infoSplunk Search Processing Language for search commands
APIs and other access methodsJava API
RESTful HTTP API
Thrift
HTTP REST infoonly for PouchDB Server
JavaScript API
proprietary protocol using JSONHTTP REST
Supported programming languagesC
C#
C++
Groovy
Java
PHP
Python
Scala
JavaScript.Net
Java infowith Android only
Objective-C
React Native
Swift
.Net
C++
Java
PHP
Python
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresyes infoCoprocessors in JavaView functions in JavaScriptno inforuns within the applications so server-side scripts are unnecessaryJavaScriptyes
Triggersyesyesyes infoChange Listenersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infowith a proxy-based framework, named couchdb-loungenoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Multi-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
noneSource-replica replicationMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual ConsistencyEventual ConsistencyImmediate ConsistencyEventual ConsistencyEventual Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataSingle row ACID (across millions of columns)noACIDDocument is locked during a transactionno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoIn-Memory realmnono
User concepts infoAccess controlAccess Control Lists (ACL) for RBAC, integration with Apache Ranger for RBAC & ABACnoyessimple password-based access controlAccess rights for users and roles

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More resources
HBasePouchDBRealmSequoiadbSplunk
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