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DBMS > IBM Db2 vs. VelocityDB

System Properties Comparison IBM Db2 vs. VelocityDB

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Editorial information provided by DB-Engines
NameIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionCommon in IBM host environments, 2 different versions for host and Windows/LinuxA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score143.57
Rank#7  Overall
#5  Relational DBMS
Score0.20
Rank#333  Overall
#34  Graph DBMS
#18  Object oriented DBMS
Websitewww.ibm.com/­analytics/­db2velocitydb.com
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGGvelocitydb.com/­UserGuide
DeveloperIBMVelocityDB Inc
Initial release1983 infohost version2011
Current release12.1, October 20167.x
License infoCommercial or Open Sourcecommercial infofree version is availablecommercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C#
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
Any that supports .NET
Data schemeyesyes
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.no
Secondary indexesyesyes
SQL infoSupport of SQLyesno
APIs and other access methodsADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
.Net
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
Server-side scripts infoStored proceduresyesno
TriggersyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux VersionSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlfine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
IBM Db2 infoformerly named DB2 or IBM Database 2VelocityDB
Recent citations in the news

Db2 goes 'cloud-first' as IBM struggles to lift database dinosaur
27 October 2022, The Register

What is ETL?
5 January 2023, TechRepublic

An introduction to change data capture
30 January 2023, TechRepublic

IBM launches Db2 operator for Kubenetes on AWS
20 July 2022, The Register

IBM Launches Db2 13 for z/OS
18 April 2022, Database Trends and Applications

provided by Google News

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