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DBMS > Adabas vs. Alibaba Cloud Table Store vs. CouchDB vs. InterSystems Caché vs. Memcached

System Properties Comparison Adabas vs. Alibaba Cloud Table Store vs. CouchDB vs. InterSystems Caché vs. Memcached

Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonAlibaba Cloud Table Store  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonInterSystems Caché  Xexclude from comparisonMemcached  Xexclude from comparison
Caché is a deprecated database engine which is substituted with InterSystems IRIS. It therefore is removed from the DB-Engines Ranking.
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformA fully managed Wide Column Store for large quantities of semi-structured data with real-time accessA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A multi-model DBMS and application serverIn-memory key-value store, originally intended for caching
Primary database modelMultivalue DBMSWide column storeDocument storeKey-value store
Object oriented DBMS
Relational DBMS
Key-value store
Secondary database modelsSpatial DBMS infousing the Geocouch extensionDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.17
Rank#94  Overall
#1  Multivalue DBMS
Score0.26
Rank#301  Overall
#12  Wide column stores
Score9.30
Rank#45  Overall
#7  Document stores
Score19.42
Rank#32  Overall
#4  Key-value stores
Websitewww.softwareag.com/­en_corporate/­platform/­adabas-natural.htmlwww.alibabacloud.com/­product/­table-storecouchdb.apache.orgwww.intersystems.com/­products/­cachewww.memcached.org
Technical documentationwww.alibabacloud.com/­help/­en/­tablestoredocs.couchdb.org/­en/­stabledocs.intersystems.comgithub.com/­memcached/­memcached/­wiki
DeveloperSoftware AGAlibabaApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerInterSystemsDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release19712016200519972003
Current release3.3.3, December 20232018.1.4, May 20201.6.25, March 2024
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache version 2commercialOpen Source infoBSD license
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
hostedAndroid
BSD
Linux
OS X
Solaris
Windows
AIX
HP Open VMS
HP-UX
Linux
OS X
Solaris
Windows
FreeBSD
Linux
OS X
Unix
Windows
Data schemeyesschema-freeschema-freedepending on used data modelschema-free
Typing infopredefined data types such as float or dateyesyesnoyesno
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.nononoyes
Secondary indexesyesnoyes infovia viewsyesno
SQL infoSupport of SQLyes infowith add-on product Adabas SQL Gatewaynonoyesno
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
HTTP APIRESTful HTTP/JSON API.NET Client API
JDBC
ODBC
RESTful HTTP API
Proprietary protocol
Supported programming languagesNaturalJava
Python
C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C#
C++
Java
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresin NaturalnoView functions in JavaScriptyesno
Triggersnonoyesyesno
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistaSharding infoImplicit feature of the cloud serviceSharding infoimproved architecture with release 2.0nonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event Replicatoryes infoImplicit feature of the cloud serviceMulti-source replication
Source-replica replication
Source-replica replicationnone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic single-row operationsno infoatomic operations within a single document possibleACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infostrategy: optimistic lockingyesyes
Durability infoSupport for making data persistentyesyesyesyesno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nononoyes
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)Access rights based on subaccounts and tokensAccess rights for users can be defined per databaseAccess rights for users, groups and rolesyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
Adabas infodenotes "adaptable data base"Alibaba Cloud Table StoreCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"InterSystems CachéMemcached
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