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DBMS > Transwarp StellarDB vs. VelocityDB vs. YDB

System Properties Comparison Transwarp StellarDB vs. VelocityDB vs. YDB

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Editorial information provided by DB-Engines
NameTranswarp StellarDB  Xexclude from comparisonVelocityDB  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionA distributed graph DBMS built for enterprise-level graph applicationsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)A distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelGraph DBMSGraph DBMS
Object oriented DBMS
Document store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#371  Overall
#39  Graph DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#16  Object oriented DBMS
Score0.33
Rank#287  Overall
#43  Document stores
#132  Relational DBMS
Websitewww.transwarp.cn/­en/­product/­stellardbvelocitydb.comgithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationvelocitydb.com/­UserGuideydb.tech/­en/­docs
DeveloperTranswarpVelocityDB IncYandex
Initial release20112019
Current release7.x
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#
Server operating systemsAny that supports .NETLinux
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)
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 SQLSQL-like query languagenoSQL-like query language (YQL)
APIs and other access methodsOpenCypher.NetRESTful HTTP API (DynamoDB compatible)
Supported programming languages.NetGo
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnono
TriggersCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesActive-passive shard replication
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 integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
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.yesno
User concepts infoAccess controlyesBased on Windows AuthenticationAccess rights defined for Yandex Cloud users

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More resources
Transwarp StellarDBVelocityDBYDB
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