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DBMS > Sequoiadb vs. ToroDB vs. VelocityDB

System Properties Comparison Sequoiadb vs. ToroDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameSequoiadb  Xexclude from comparisonToroDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionNewSQL database with distributed OLTP and SQLA MongoDB-compatible JSON document store, built on top of PostgreSQLA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelDocument store
Relational DBMS
Document storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.50
Rank#264  Overall
#42  Document stores
#121  Relational DBMS
Score0.08
Rank#362  Overall
#38  Graph DBMS
#15  Object oriented DBMS
Websitewww.sequoiadb.comgithub.com/­torodb/­servervelocitydb.com
Technical documentationwww.sequoiadb.com/­en/­index.php?m=Files&a=indexvelocitydb.com/­UserGuide
DeveloperSequoiadb Ltd.8KdataVelocityDB Inc
Initial release201320162011
Current release7.x
License infoCommercial or Open SourceOpen Source infoServer: AGPL; Client: Apache V2Open Source infoAGPL-V3commercial
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 systemsLinuxAll OS with a Java 7 VMAny that supports .NET
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyes infooid, date, timestamp, binary, regexyes infostring, integer, double, boolean, date, object_idyes
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 indexesyesyes
SQL infoSupport of SQLSQL-like query languageno
APIs and other access methodsproprietary protocol using JSON.Net
Supported programming languages.Net
C++
Java
PHP
Python
.Net
Server-side scripts infoStored proceduresJavaScriptno
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataDocument is locked during a transactionnoACID
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 controlsimple password-based access controlAccess rights for users and rolesBased on Windows Authentication

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