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DBMS > DataFS vs. Greenplum vs. IBM Db2 vs. NCache vs. SiriDB

System Properties Comparison DataFS vs. Greenplum vs. IBM Db2 vs. NCache vs. SiriDB

Editorial information provided by DB-Engines
NameDataFS  Xexclude from comparisonGreenplum  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonNCache  Xexclude from comparisonSiriDB  Xexclude from comparison
DescriptionAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Analytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database infoA logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.Common in IBM host environments, 2 different versions for host and Windows/LinuxOpen-Source and Enterprise in-memory Key-Value StoreOpen Source Time Series DBMS
Primary database modelObject oriented DBMSRelational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBKey-value storeTime Series DBMS
Secondary database modelsGraph DBMSDocument store
Spatial DBMS
Document store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
Document store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.09
Rank#360  Overall
#17  Object oriented DBMS
Score8.08
Rank#48  Overall
#31  Relational DBMS
Score125.90
Rank#9  Overall
#6  Relational DBMS
Score0.96
Rank#195  Overall
#29  Key-value stores
Score0.07
Rank#378  Overall
#42  Time Series DBMS
Websitenewdatabase.comgreenplum.orgwww.ibm.com/­products/­db2www.alachisoft.com/­ncachesiridb.com
Technical documentationdev.mobiland.com/­Overview.xspdocs.greenplum.orgwww.ibm.com/­docs/­en/­db2www.alachisoft.com/­resources/­docsdocs.siridb.com
DeveloperMobiland AGPivotal Software Inc.IBMAlachisoftCesbit
Initial release201820051983 infohost version20052017
Current release1.1.263, October 20227.0.0, September 202312.1, October 20165.3.3, April 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercial infofree version is availableOpen Source infoEnterprise Edition availableOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++C#, .NET, .NET Core, JavaC
Server operating systemsWindowsLinuxAIX
HP-UX
Linux
Solaris
Windows
z/OS
Linux
Windows
Linux
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes infoNumeric data
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.noyes infosince Version 4.2nono
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLnoyesyesSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.no
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
JDBC
ODBC
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
IDistributedCache
JCache
LINQ
Proprietary native API
HTTP API
Supported programming languages.Net
C
C#
C++
VB.Net
C
Java
Perl
Python
R
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresyesyesno infosupport for stored procedures with SQL-Server CLRno
Triggersno, except callback-events from server when changes happenedyesyesyes infoNotificationsno
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemShardingSharding infoonly with Windows/Unix/Linux VersionyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infowith separate tools (MQ, InfoSphere)yes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Foreign keys infoReferential integrityyesyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDoptimistic locking and pessimistic lockingno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlWindows-Profilefine grained access rights according to SQL-standardfine grained access rights according to SQL-standardAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)simple rights management via user accounts
More information provided by the system vendor
DataFSGreenplumIBM Db2 infoformerly named DB2 or IBM Database 2NCacheSiriDB
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

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DataFSGreenplumIBM Db2 infoformerly named DB2 or IBM Database 2NCacheSiriDB
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