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DBMS > ScyllaDB vs. TerminusDB vs. VelocityDB

System Properties Comparison ScyllaDB vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameScyllaDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionCassandra-compatible wide column storeScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelWide column storeGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.96
Rank#108  Overall
#8  Wide column stores
Score0.02
Rank#342  Overall
#32  Graph DBMS
Score0.07
Rank#311  Overall
#30  Graph DBMS
#16  Object oriented DBMS
Websitewww.scylladb.comterminusdb.comvelocitydb.com
Technical documentationdocs.scylladb.comterminusdb.com/­docsvelocitydb.com/­UserGuide
DeveloperScyllaDBDataChemist Ltd.VelocityDB Inc
Initial release201520182011
Current releaseScylla Open Source 3.0.10, August 20191.0, 20187.x
License infoCommercial or Open SourceOpen Source infoOpen Source (AGPL), commercial license availableOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Prolog, RustC#
Server operating systemsLinuxLinuxAny that supports .NET
Data schemeschema-freeyesyes
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.nonono
Secondary indexesyes infocluster global secondary indicesyes
SQL infoSupport of SQLSQL-like DML and DDL statements (CQL)SQL-like query language (WOQL)no
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
JavaScript
Python
.Net
Server-side scripts infoStored proceduresnoyesno
TriggersnoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoin-memory tablesyes
User concepts infoAccess controlAccess rights for users can be defined per objectRole-based access controlBased on Windows Authentication
More information provided by the system vendor
ScyllaDBTerminusDB infoformer name was DataChemistVelocityDB
Specific characteristicsScylla is a highly-available, highly-scalable, highly-performant NoSQL database....
» more
Competitive advantagesHighly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosAdTech (AdGear, AppNexus, Dstillery, Numberly, Sizmek) Cybersecurity (Veramine) Entertainment...
» more
Key customersComcast, Grab, Yahoo! Japan, IMVU, Adgear, Appnexus, Zenly, Natura, Snapfish, mParticle,...
» more
Licensing and pricing modelsScylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
ScyllaDBTerminusDB infoformer name was DataChemistVelocityDB
Recent citations in the news

What to expect from Scylla Summit 2019 - Open Source Insider
12 October 2019, ComputerWeekly.com

Logistics Leader GetSwift Delivers with Scylla Enterprise
11 October 2019, Yahoo Finance

ScyllaDB powers up Alternator: an open Amazon DynamoDB API - Open Source Insider
13 September 2019, ComputerWeekly.com

ScyllaDB NoSQL Breakthrough Slashes the Costs of Big Data Applications
16 May 2019, AiThority

Scylla Summit 2019 Comes to San Francisco in November
30 September 2019, insideBIGDATA

provided by Google News

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