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DBMS > Adabas vs. Couchbase

System Properties Comparison Adabas vs. Couchbase

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformJSON-based document store derived from CouchDB with a Memcached-compatible interface
Primary database modelMultivalue DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.94
Rank#73  Overall
#1  Multivalue DBMS
Score36.28
Rank#23  Overall
#3  Document stores
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlwww.couchbase.com
Technical documentationdocs.couchbase.com
DeveloperSoftware AGCouchbase, Inc.
Initial release19712011
Current releaseServer: 6.0, October 2018; Mobile: 2.1 August 2018
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2; Commercial licenses also available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, C++, Go and Erlang
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
Linux
OS X
Windows
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes infoString, Boolean, Number
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
Secondary indexesyesyes
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewayDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
Native language bindings for CRUD, Query, Search and Analytics APIs
Supported programming languagesNatural.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
Server-side scripts infoStored proceduresin NaturalFunctions and timers in JavaScript
Triggersnoyes infovia the TAP protocol
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistaSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event ReplicatorMaster-master replication infoincluding cross data center replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDSingle-document ACID transactions
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoEphemeral buckets
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)User and Administrator separation with password-based and LDAP integrated Authentication

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More resources
Adabas infodenotes "adaptable data base"Couchbase infoOriginally called Membase
DB-Engines blog posts

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