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DBMS > Hypertable vs. PostGIS vs. SpaceTime vs. VelocityDB

System Properties Comparison Hypertable vs. PostGIS vs. SpaceTime vs. VelocityDB

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Editorial information provided by DB-Engines
NameHypertable  Xexclude from comparisonPostGIS  Xexclude from comparisonSpaceTime  Xexclude from comparisonVelocityDB  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionAn open source BigTable implementation based on distributed file systems such as HadoopSpatial extension of PostgreSQLSpaceTime is a spatio-temporal DBMS with a focus on performance.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelWide column storeSpatial DBMSSpatial DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#16  Object oriented DBMS
Websitepostgis.netwww.mireo.com/­spacetimevelocitydb.com
Technical documentationpostgis.net/­documentationvelocitydb.com/­UserGuide
DeveloperHypertable Inc.MireoVelocityDB Inc
Initial release2009200520202011
Current release0.9.8.11, March 20163.4.2, February 20247.x
License infoCommercial or Open SourceOpen Source infoGNU version 3. Commercial license availableOpen Source infoGPL v2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++CC++C#
Server operating systemsLinux
OS X
Windows infoan inofficial Windows port is available
LinuxAny that supports .NET
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or datenoyesyesyes
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.yesnono
Secondary indexesrestricted infoonly exact value or prefix value scansyesnoyes
SQL infoSupport of SQLnoyesA subset of ANSI SQL is implementedno
APIs and other access methodsC++ API
Thrift
RESTful HTTP API.Net
Supported programming languagesC++
Java
Perl
PHP
Python
Ruby
C#
C++
Python
.Net
Server-side scripts infoStored proceduresnouser defined functionsnono
TriggersnoyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingyes infobased on PostgreSQLFixed-grid hypercubesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor on file system levelyes infobased on PostgreSQLReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID
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.nonoyes
User concepts infoAccess controlnoyes infobased on PostgreSQLyesBased on Windows Authentication

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More resources
HypertablePostGISSpaceTimeVelocityDB
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