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DBMS > VelocityDB vs. Yaacomo

System Properties Comparison VelocityDB vs. Yaacomo

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Editorial information provided by DB-Engines
NameVelocityDB  Xexclude from comparisonYaacomo  Xexclude from comparison
DescriptionA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelGraph DBMS
Object oriented DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.02
Rank#341  Overall
#35  Graph DBMS
#17  Object oriented DBMS
Score0.00
Rank#356  Overall
#155  Relational DBMS
Websitevelocitydb.comyaacomo.com
Technical documentationvelocitydb.com/­UserGuide
DeveloperVelocityDB IncQ2WEB GmbH
Initial release20112009
Current release7.x
License infoCommercial or Open Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#
Server operating systemsAny that supports .NETAndroid
Linux
Windows
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.nono
Secondary indexesyesyes
SQL infoSupport of SQLnoyes
APIs and other access methods.NetJDBC
ODBC
Supported programming languages.Net
Server-side scripts infoStored proceduresno
TriggersCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes
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.yesyes
User concepts infoAccess controlBased on Windows Authenticationfine grained access rights according to SQL-standard

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