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DBMS > OushuDB vs. Trafodion vs. VelocityDB

System Properties Comparison OushuDB vs. Trafodion vs. VelocityDB

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Editorial information provided by DB-Engines
NameOushuDB  Xexclude from comparisonTrafodion  Xexclude from comparisonVelocityDB  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningTransactional SQL-on-Hadoop DBMSA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.04
Rank#363  Overall
#154  Relational DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.oushu.com/­product/­oushuDBtrafodion.apache.orgvelocitydb.com
Technical documentationwww.oushu.com/­documentationtrafodion.apache.org/­documentation.htmlvelocitydb.com/­UserGuide
DeveloperOushuApache Software Foundation, originally developed by HPVelocityDB Inc
Initial release20142011
Current release4.0.1, August 20202.3.0, February 20197.x
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, JavaC#
Server operating systemsLinuxLinuxAny that supports .NET
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyes
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 indexesyesyesyes
SQL infoSupport of SQLFull-featured ANSI SQL supportyesno
APIs and other access methodsJDBC
ODBC
ADO.NET
JDBC
ODBC
.Net
Supported programming languagesC
C++
All languages supporting JDBC/ODBC/ADO.Net.Net
Server-side scripts infoStored proceduresyesJava Stored Proceduresno
TriggersyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationyes infovia user defined functions and HBaseno
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 dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlKerberos, SSL and role based accessfine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
OushuDBTrafodionVelocityDB
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