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DBMS > Hypertable vs. SpaceTime vs. VelocityDB vs. YottaDB

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

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Editorial information provided by DB-Engines
NameHypertable  Xexclude from comparisonSpaceTime  Xexclude from comparisonVelocityDB  Xexclude from comparisonYottaDB  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 HadoopSpaceTime 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)A fast and solid embedded Key-value store
Primary database modelWide column storeSpatial DBMSGraph DBMS
Object oriented DBMS
Key-value store
Secondary database modelsRelational DBMSRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#385  Overall
#7  Spatial DBMS
Score0.00
Rank#385  Overall
#40  Graph DBMS
#21  Object oriented DBMS
Score0.21
Rank#309  Overall
#43  Key-value stores
Websitewww.mireo.com/­spacetimevelocitydb.comyottadb.com
Technical documentationvelocitydb.com/­UserGuideyottadb.com/­resources/­documentation
DeveloperHypertable Inc.MireoVelocityDB IncYottaDB, LLC
Initial release2009202020112001
Current release0.9.8.11, March 20167.x
License infoCommercial or Open SourceOpen Source infoGNU version 3. Commercial license availablecommercialcommercialOpen Source infoAGPL 3.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++C#C
Server operating systemsLinux
OS X
Windows infoan inofficial Windows port is available
LinuxAny that supports .NETDocker
Linux
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or datenoyesyesno
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.nonono
Secondary indexesrestricted infoonly exact value or prefix value scansnoyesno
SQL infoSupport of SQLnoA subset of ANSI SQL is implementednoby using the Octo plugin
APIs and other access methodsC++ API
Thrift
RESTful HTTP API.NetPostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languagesC++
Java
Perl
PHP
Python
Ruby
C#
C++
Python
.NetC
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresnonono
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingFixed-grid hypercubesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor on file system levelReal-time block device replication (DRBD)yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.noyesyes
User concepts infoAccess controlnoyesBased on Windows AuthenticationUsers and groups based on OS-security mechanisms

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More resources
HypertableSpaceTimeVelocityDBYottaDB
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