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DBMS > Couchbase vs. eXtremeDB vs. SAP SQL Anywhere

System Properties Comparison Couchbase vs. eXtremeDB vs. SAP SQL Anywhere

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisoneXtremeDB  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparison
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceNatively in-memory DBMS with options for persistency, high-availability and clusteringRDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments
Primary database modelDocument storeRelational DBMS
Time Series DBMS
Relational 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
Score29.06
Rank#26  Overall
#4  Document stores
Score0.45
Rank#227  Overall
#109  Relational DBMS
#13  Time Series DBMS
Score6.46
Rank#56  Overall
#31  Relational DBMS
Websitewww.couchbase.comwww.mcobject.com/­extremedbfamilywww.sap.com/­products/­sql-anywhere.html
Technical documentationdocs.couchbase.comwww.mcobject.com/­docs/­eXtremeDB.htmhelp.sap.com/­sql-anywhere
DeveloperCouchbase, Inc.McObjectSAP infoformerly Sybase
Initial release201120011992
Current releaseServer: 6.5, January 2020; Mobile: 2.7, January 2020; Couchbase Autonomous Operator: 1.2, May 20198.1, November 201917, July 2015
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
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 clickseXtremeDB on AWS: High performance DBMS for HPC and Capital Market computing
Implementation languageC, C++, Go and ErlangC and C++
Server operating systemsLinux
OS X
Windows
AIX
HP-UX
Linux
macOS
Solaris
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes 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.no infosupport of XML interfaces availableyes
Secondary indexesyesyesyes
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.yes infowith the option: eXtremeSQLyes
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIs.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
ADO.NET
HTTP API
JDBC
ODBC
Supported programming languages.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
.Net
C
C#
C++
Java
Lua
Python
Scala
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptyesyes, in C/C++, Java, .Net or Perl
Triggersyes infovia the TAP protocolyes infoby defining eventsyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning / shardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication infoincluding cross data center replication
Source-replica replication
Active Replication Fabric™ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
Source-replica replication infoDatabase mirroring
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoEphemeral bucketsyesyes
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated Authenticationfine grained access rights according to SQL-standard
More information provided by the system vendor
Couchbase infoOriginally called MembaseeXtremeDBSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
With hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more
For server use cases, there is a simple per-server license irrespective of the number...
» more

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More resources
Couchbase infoOriginally called MembaseeXtremeDBSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
DB-Engines blog posts

Couchbase climbs up the DB-Engines Ranking, increasing its popularity by 10% every month
2 June 2014, Matthias Gelbmann

show all

Recent citations in the news

Couchbase Named Best Database Overall by DBTA Readers; Delivers Couchbase Server 6.6
13 August 2020, GlobeNewswire

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New Member Company: Couchbase
27 July 2020, Techwire.net

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McObject's eXtremeDB for HPC is now available on AWS
15 October 2019, GlobeNewswire

eXtremeDB Shortlisted in 4 Different Best DBMS Categories in 1 Week
8 October 2019, IoT For All

Unique Active Replication Fabric feature announced by McObject for its eXtremeDB IoT SDK bundle
13 May 2019, GlobeNewswire

Pessimistic Optimistic Generic Ref to Images
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SAP SQL Anywhere
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