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DBMS > Rockset vs. SQL.JS vs. VelocityDB

System Properties Comparison Rockset vs. SQL.JS vs. VelocityDB

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Editorial information provided by DB-Engines
NameRockset  Xexclude from comparisonSQL.JS  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA scalable, reliable search and analytics service in the cloud, built on RocksDBPort of SQLite to JavaScriptA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelDocument storeRelational DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.79
Rank#211  Overall
#35  Document stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websiterockset.comsql.js.orgvelocitydb.com
Technical documentationdocs.rockset.comsql.js.org/­documentation/­index.htmlvelocitydb.com/­UserGuide
DeveloperRocksetAlon Zakai infoenhancements implemented by othersVelocityDB Inc
Initial release201920122011
Current release7.x
License infoCommercial or Open SourcecommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptC#
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)Any that supports .NET
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datedynamic typingyesyes
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.no infoingestion from XML files supportednono
Secondary indexesall fields are automatically indexedyes
SQL infoSupport of SQLRead-only SQL queries, including JOINsyes infoSQL-92 is not fully supportedno
APIs and other access methodsHTTP RESTJavaScript API.Net
Supported programming languagesGo
Java
JavaScript (Node.js)
Python
JavaScript.Net
Server-side scripts infoStored proceduresnonono
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesAutomatic shardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess rights for users and organizations can be defined via Rockset consolenoBased on Windows Authentication

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More resources
RocksetSQL.JSVelocityDB
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