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DBMS > OushuDB vs. RocksDB vs. Valentina Server vs. VelocityDB

System Properties Comparison OushuDB vs. RocksDB vs. Valentina Server vs. VelocityDB

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Editorial information provided by DB-Engines
NameOushuDB  Xexclude from comparisonRocksDB  Xexclude from comparisonValentina Server  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningEmbeddable persistent key-value store optimized for fast storage (flash and RAM)Object-relational database and reports serverA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSKey-value storeRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.05
Rank#357  Overall
#151  Relational DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Score0.18
Rank#313  Overall
#140  Relational DBMS
Score0.00
Rank#385  Overall
#40  Graph DBMS
#21  Object oriented DBMS
Websitewww.oushu.com/­product/­oushuDBrocksdb.orgwww.valentina-db.netvelocitydb.com
Technical documentationwww.oushu.com/­documentationgithub.com/­facebook/­rocksdb/­wikivalentina-db.com/­docs/­dokuwiki/­v5/­doku.phpvelocitydb.com/­UserGuide
DeveloperOushuFacebook, Inc.Paradigma SoftwareVelocityDB Inc
Initial release201319992011
Current release4.0.1, August 20209.4.0, June 20245.7.57.x
License infoCommercial or Open SourcecommercialOpen Source infoBSDcommercialcommercial
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#
Server operating systemsLinuxLinuxLinux
OS X
Windows
Any that supports .NET
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyesnoyesyes
SQL infoSupport of SQLFull-featured ANSI SQL supportnoyesno
APIs and other access methodsJDBC
ODBC
C++ API
Java API
ODBC.Net
Supported programming languagesC
C++
C
C++
Go
Java
Perl
Python
Ruby
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
.Net
Server-side scripts infoStored proceduresyesnoyesno
TriggersyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesyeshorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesACID
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.yesyesyes
User concepts infoAccess controlKerberos, SSL and role based accessnofine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
OushuDBRocksDBValentina ServerVelocityDB
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