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DBMS > Adabas vs. NCache vs. QuestDB

System Properties Comparison Adabas vs. NCache vs. QuestDB

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonNCache  Xexclude from comparisonQuestDB  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformOpen source in-memory key-value storeA high performance, low latency Time Series DBMS
Primary database modelMultivalue DBMSKey-value storeTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.53
Rank#69  Overall
#1  Multivalue DBMS
Score1.05
Rank#149  Overall
#26  Key-value stores
Score0.18
Rank#261  Overall
#19  Time Series DBMS
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlwww.alachisoft.com/­ncachewww.questdb.io
Technical documentationwww.alachisoft.com/­resources/­docswww.questdb.io/­docs/­docstructure
DeveloperSoftware AGAlachisoftQuestDB Limited
Initial release197120042014
Current release5.0, May 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoAGPL 3.0
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.
Implementation languageC#, C++, .NETJava
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
WindowsLinux
macOS
Windows
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyes
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 indexesyesyesno
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewaySQL-like query syntax (OQL) for searching the cacheSQL-like query language
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
LINQ
Proprietary protocol
HTTP REST
Supported programming languagesNatural.Net
C#
Java
Visual Basic.NET
Java
Server-side scripts infoStored proceduresin Naturalno infosupport for stored procedures with SQL-Server CLRno
Triggersnoyes infoNotificationsno
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vistayeshorizontal partitioning (by timestamps)
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event Replicatoryes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic lockingACID for single-table writes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.noyesno
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)authentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)
More information provided by the system vendor
Adabas infodenotes "adaptable data base"NCacheQuestDB
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
News

Using NCache as a JSON Store
25 February 2020

Understanding Multi-Datacenter WAN Replication in NCache
19 February 2020

NCache becomes a RedHat Technology Partner.
23 January 2020

Best Practices for Monitoring NCache in Production
21 January 2020

NCache 5.0 SP2 Released
7 January 2020

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

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More resources
Adabas infodenotes "adaptable data base"NCacheQuestDB
Recent citations in the news

Software (ETR:SOW) Hits New 1-Year High at $34.73
18 February 2020, Enterprise Echo

Software AG Announces New “Adabas & Natural 2050” Agenda
31 August 2016, Business Wire

When your parents select a spouse for you: The exciting Mini-Biography of Dr. Tom Adaba, First DG, NBC (1)
22 February 2020, Daily Sun

Software AG: Surprisingly Strong Q3 Results - Easing Pressure On Q4
23 October 2019, Seeking Alpha

Software AG: 2020 Guidance Caught The Market By Surprise, Stock Down -14%
31 January 2020, Seeking Alpha

provided by Google News

How to use NCache in ASP.Net Core
25 February 2019, InfoWorld

NCache Distributed Cache for .NET Gets Open Sourced
28 January 2015, Visual Studio Magazine

In-Memory Key-Value Databases: NCache (Initial Evaluation)
31 October 2018, GameDev.net

Basic NCache is Now Open Source
10 March 2015, InfoQ.com

Velocity: Microsoft's Distributed In-Memory Cache
4 June 2008, InfoQ.com

provided by Google News

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