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DBMS > BaseX vs. Couchbase vs. KairosDB vs. VelocityDB

System Properties Comparison BaseX vs. Couchbase vs. KairosDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameBaseX  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparisonKairosDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionLight-weight Native XML DBMS with support for XQuery 3.0 and interactive GUI.JSON-based document store derived from CouchDB with a Memcached-compatible interfaceDistributed Time Series DBMS based on Cassandra or H2A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelNative XML DBMSDocument storeTime Series DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.43
Rank#132  Overall
#4  Native XML DBMS
Score32.16
Rank#23  Overall
#3  Document stores
Score0.56
Rank#203  Overall
#10  Time Series DBMS
Score0.07
Rank#298  Overall
#28  Graph DBMS
#15  Object oriented DBMS
Websitebasex.orgwww.couchbase.comgithub.com/­kairosdb/­kairosdbvelocitydb.com
Technical documentationdocs.basex.orgdocs.couchbase.comkairosdb.github.iovelocitydb.com/­UserGuide
DeveloperBaseX GmbHCouchbase, Inc.VelocityDB Inc
Initial release2007201120132011
Current release9.3.1, December 2019Server: 6.5, January 2020; Mobile: 2.7, January 2020; Couchbase Autonomous Operator: 1.2, May 20191.2.2, November 20187.x
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoApache version 2; Commercial licenses also availableOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Couchbase Cloud: Deploy, manage, and operate Couchbase in a few clicks.
Implementation languageJavaC, C++, Go and ErlangJavaC#
Server operating systemsLinux
OS X
Windows
Linux
OS X
Windows
Linux
OS X
Windows
Any that supports .NET
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateno infoXQuery supports typesyes infoString, Boolean, Numberyesyes
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.nono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLnoDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.nono
APIs and other access methodsJava API
RESTful HTTP API
RESTXQ
WebDAV
XML:DB
XQJ
Native language bindings for CRUD, Query, Search and Analytics APIsGraphite protocol
HTTP REST
Telnet API
.Net
Supported programming languagesActionscript
C
C#
Haskell
Java
JavaScript infoNode.js
Lisp
Perl
PHP
Python
Qt
Rebol
Ruby
Scala
Visual Basic
.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
Java
JavaScript infoNode.js
PHP
Python
.Net
Server-side scripts infoStored proceduresyesFunctions and timers in JavaScriptnono
Triggersyes infovia eventsyes infovia the TAP protocolnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMaster-master replication infoincluding cross data center replication
Master-slave replication
selectable replication factor infobased on Cassandra
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datamultiple readers, single writerACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoEphemeral bucketsnoyes
User concepts infoAccess controlUsers with fine-grained authorization concept on 4 levelsUser and Administrator separation with password-based and LDAP integrated Authenticationsimple password-based access controlBased on Windows Authentication
More information provided by the system vendor
BaseXCouchbase infoOriginally called MembaseKairosDBVelocityDB
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more

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More resources
BaseXCouchbase infoOriginally called MembaseKairosDBVelocityDB
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