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DBMS > AllegroGraph vs. FatDB vs. OpenMLDB vs. Trino vs. VelocityDB

System Properties Comparison AllegroGraph vs. FatDB vs. OpenMLDB vs. Trino vs. VelocityDB

Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonFatDB  Xexclude from comparisonOpenMLDB  Xexclude from comparisonTrino  Xexclude from comparisonVelocityDB  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSA .NET NoSQL DBMS that can integrate with and extend SQL Server.An open-source machine learning database that provides a feature platform for training and inferenceFast distributed SQL query engine for big data analytics. Forked from Presto and originally named PrestoSQLA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Vector DBMS
Document store
Key-value store
Time Series DBMSRelational DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsSpatial DBMSRelational DBMSDocument store
Key-value store
Spatial DBMS
Search engine
Time Series DBMS
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.13
Rank#179  Overall
#30  Document stores
#17  Graph DBMS
#7  RDF stores
#8  Vector DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score4.99
Rank#65  Overall
#36  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websiteallegrograph.comopenmldb.aitrino.iovelocitydb.com
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmlopenmldb.ai/­docs/­zh/­maintrino.io/­broadcast
trino.io/­docs/­current
velocitydb.com/­UserGuide
Social network pagesLinkedInTwitterYouTubeGitHub
DeveloperFranz Inc.FatCloud4 Paradigm Inc.Trino Software FoundationVelocityDB Inc
Initial release2004201220202012 info2020 rebranded from PrestoSQL2011
Current release8.0, December 20232024-2 February 20247.x
License infoCommercial or Open Sourcecommercial infoLimited community edition freecommercialOpen SourceOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Starburst Galaxy offers a feature-rich user interface to connect all your data sources, manage your Trino clusters, and query your data.
Implementation languageC#C++, Java, ScalaJavaC#
Server operating systemsLinux
OS X
Windows
WindowsLinuxLinux
macOS infofor devlopment
Any that supports .NET
Data schemeyes infoRDF schemasschema-freeFixed schemayesyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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 infobulk load of XML files possiblenonono
Secondary indexesyesyesyesdepending on connected data-sourceyes
SQL infoSupport of SQLSPARQL is used as query languageno infoVia inetgration in SQL Serveryesyesno
APIs and other access methodsRESTful HTTP API
SPARQL
.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
JDBC
SQLAlchemy
JDBC
RESTful HTTP API
Trino CLI
.Net
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
C#C++
Go
Java
Python
Scala
Go
Java
JavaScript (Node.js)
Python
R
Ruby
.Net
Server-side scripts infoStored proceduresyes infoJavaScript or Common Lispyes infovia applicationsnoyes, depending on connected data-sourceno
Triggersyesyes infovia applicationsnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeswith FederationShardinghorizontal partitioningdepending on connected data-sourceSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
selectable replication factorSource-replica replicationdepending on connected data-source
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationEventual Consistency
Immediate Consistency
Immediate Consistencydepending on connected data-sourceImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonodepending on connected data-sourceACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesdepending on connected data-sourceyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationno infoCan implement custom security layer via applicationsfine grained access rights according to SQL-standardSQL standard access controlBased on Windows Authentication
More information provided by the system vendor
AllegroGraphFatDBOpenMLDBTrinoVelocityDB
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
Trino is the fastest open source, massively parallel processing SQL query engine...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
High performance analtyics and data processing of very large data sets Powerful ANSI...
» more
Typical application scenariosPerformant analytics query engine for data warehouses, data lakes, and data lakehouses...
» more
Key customersTrino is widely adopted across the globe as freely-available open source software....
» more
Market metrics33000+ commits in GitHub 8200+ stargazers in GitHub 1200+ pull requests merged in...
» more
Licensing and pricing modelsTrino is an open source project and usage is therefore free. Commercial offerings...
» more
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More resources
AllegroGraphFatDBOpenMLDBTrinoVelocityDB
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