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DBMS > H2GIS vs. VelocityDB

System Properties Comparison H2GIS vs. VelocityDB

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionSpatial extension of H2A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelSpatial DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.17
Rank#295  Overall
#4  Spatial DBMS
Score0.13
Rank#305  Overall
#28  Graph DBMS
#17  Object oriented DBMS
Websitewww.h2gis.orgvelocitydb.com
Technical documentationwww.h2gis.org/­docs/­homevelocitydb.com/­UserGuide
DeveloperCNRSVelocityDB Inc
Initial release20132011
Current release7.x
License infoCommercial or Open SourceOpen Source infoLGPL 3.0commercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC#
Server operating systemsAny 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.nono
Secondary indexesyesyes
SQL infoSupport of SQLyesno
APIs and other access methods.Net
Supported programming languagesJava.Net
Server-side scripts infoStored proceduresyes infobased on H2no
TriggersyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2
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 integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
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 controlyes infobased on H2Based on Windows Authentication

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