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DBMS > Adabas vs. Couchbase vs. Microsoft Azure SQL Data Warehouse vs. NCache

System Properties Comparison Adabas vs. Couchbase vs. Microsoft Azure SQL Data Warehouse vs. NCache

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparisonMicrosoft Azure SQL Data Warehouse  Xexclude from comparisonNCache  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 interfaceElastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerNCache is a 100% .NET / .NET Core Open Source in-memory distributed cache.
Primary database modelMultivalue DBMSDocument storeRelational DBMSKey-value store
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocolDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.78
Rank#74  Overall
#1  Multivalue DBMS
Score29.06
Rank#26  Overall
#4  Document stores
Score8.86
Rank#44  Overall
#27  Relational DBMS
Score1.04
Rank#162  Overall
#29  Key-value stores
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlwww.couchbase.comazure.microsoft.com/­services/­sql-data-warehousewww.alachisoft.com/­ncache
Technical documentationdocs.couchbase.comdocs.microsoft.com/­azure/­sql-data-warehousewww.alachisoft.com/­resources/­docs
DeveloperSoftware AGCouchbase, Inc.MicrosoftAlachisoft
Initial release1971201120162005
Current releaseServer: 6.5, January 2020; Mobile: 2.7, January 2020; Couchbase Autonomous Operator: 1.2, May 20195.0, May 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2; Commercial licenses also availablecommercialOpen Source infoEnterprise Edition available
Cloud-based only infoOnly available as a cloud servicenonoyesno
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 languageC, C++, Go and ErlangC++C#, .NET, .NET Core
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
Linux
OS X
Windows
hostedLinux
Windows
Data schemeyesschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyes infoString, Boolean, Numberyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counter
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.nonono
Secondary indexesyesyesyesyes
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++.yesSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.
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 APIsADO.NET
JDBC
ODBC
IDistributedCache
JCache
LINQ
Proprietary native API
Supported programming languagesNatural.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
C#
Java
PHP
.Net
.Net Core
C#
Java
Visual Basic.NET
Server-side scripts infoStored proceduresin NaturalFunctions and timers in JavaScriptTransact SQLno infosupport for stored procedures with SQL-Server CLR
Triggersnoyes infovia the TAP protocolnoyes infoNotifications
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistaShardingSharding, horizontal partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event ReplicatorMulti-source replication infoincluding cross data center replication
Source-replica replication
yesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Immediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDoptimistic locking and pessimistic locking
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.noyes infoEphemeral bucketsyes
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 AuthenticationyesAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)
More information provided by the system vendor
Adabas infodenotes "adaptable data base"Couchbase infoOriginally called MembaseMicrosoft Azure SQL Data WarehouseNCache
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Market Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
News

High Data Availability Promised with NCache
11 August 2020

Basic CRUD Operations in NCache – As Easy as ABC
23 July 2020

Keep Cache Data Fresh Using Expiration in NCache
23 July 2020

How to Avoid Cache Full Scenario Using Eviction?
20 July 2020

SSL/TLS Configuration in NCache Made Simple
16 July 2020

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
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More resources
Adabas infodenotes "adaptable data base"Couchbase infoOriginally called MembaseMicrosoft Azure SQL Data WarehouseNCache
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