DB-EnginesCrateDB bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Adabas vs. NCache vs. Oracle Rdb vs. QuestDB

System Properties Comparison Adabas vs. NCache vs. Oracle Rdb vs. QuestDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonNCache  Xexclude from comparisonOracle Rdb  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 storeRelational DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.66
Rank#68  Overall
#1  Multivalue DBMS
Score0.94
Rank#157  Overall
#26  Key-value stores
Score0.99
Rank#153  Overall
#74  Relational DBMS
Score0.18
Rank#263  Overall
#19  Time Series DBMS
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlwww.alachisoft.com/­ncachewww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.htmlwww.questdb.io
Technical documentationwww.alachisoft.com/­resources/­docswww.questdb.io/­docs/­docstructure
DeveloperSoftware AGAlachisoftOracle, originally developed by Digital Equipment Corporation (DEC)QuestDB Limited
Initial release1971200419842014
Current release5.0, May 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercialOpen Source infoAGPL 3.0
Cloud-based only infoOnly available as a cloud servicenononono
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
WindowsHP Open VMSLinux
macOS
Windows
Data schemeyesschema-freeFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or dateyesyesyes
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.nononono
Secondary indexesyesyesyesno
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewaySQL-like query syntax (OQL) for searching the cacheyesSQL-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 methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic lockingyes, on a single nodeACID for single-table writes
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.noyesnono
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"NCacheOracle RdbQuestDB
Specific characteristicsNCache has been the market leader in .NET Distributed Caching for the last 13 years....
» more
Competitive advantagesNcache is 100% .NET with ASP.NET Session State storage, ASP.NET View State Caching,...
» more
Typical application scenariosNCache enables industries and users including users doing: Fraud Detection, Retail...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching for the last 13 years.
» more
Licensing and pricing modelsThe NCache Enterprise licensing model is according to the number of nodes and shards...
» more
News

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

Deploying NCache in Red Hat OpenShift
24 December 2019

Synchronize your Cache with SQL Server in NCache
13 November 2019

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

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

UBS Group Analysts Give Software (ETR:SOW) a €35.00 Price Target
26 January 2020, Riverton Roll

Software AG (ETR:SOW) Given Consensus Recommendation of “Hold” by Analysts
26 January 2020, Riverton Roll

Software (ETR:SOW) Given a €31.80 Price Target by Credit Suisse Group Analysts
24 January 2020, Slater Sentinel

Software (ETR:SOW) PT Set at €35.00 by UBS Group
24 January 2020, Slater Sentinel

DZ Bank Reiterates “Neutral” Rating for Software (OTCMKTS:STWRY)
23 January 2020, Riverton Roll

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

Database Types from Hierarchical to Graph: An Industry Breakdown
30 May 2018, Dice Insights

New Eclipse Tools for OpenVMS and Oracle RDB Certified by eCube Systems to Work with NXTware Remote
12 November 2013, PR Web

provided by Google News

Job opportunities

Software Engineer II (ADABAS & Natural)
US House Of Representatives - CAO, Washington, DC

Applications Systems Analyst
Arizona Department of Public Safety, Phoenix, AZ

ADABAS Database Administrator
Peer Solutions Group, Columbia, SC

ADABAS NATURAL Programmer
Peer Solutions Group, Columbia, SC

Mainframe Developer
Ace-stack LLC, Columbus, OH

Strategic Partner Manager
Alachisoft, Dallas, TX

Inside Sales & Biz Dev
Alachisoft, Dallas, TX

Technical Project Manager
Alachisoft, Dallas, TX

Regional Sales Director
Alachisoft, Dallas, TX

Director of Enterprise Sales
Alachisoft, Dallas, TX

Senior Systems Analyst
Swagelok Company, Solon, OH

Sr. Systems Analyst - Storage / Backup
Swagelok Company, Solon, OH

Data Analyst
PruTech Solutions, Sioux Falls, SD

jobs by Indeed




Share this page

Featured Products

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Datastax Luna logo

Simple, subscription-based support for open source
Apache Cassandra™ from the Cassandra experts.
Learn more.

MariaDB logo

How do MariaDB, Oracle MySQL and EnterpriseDB compare?
Get the white paper to
learn more.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Present your product here