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DBMS > Dragonfly vs. SiriDB vs. TDSQL for MySQL vs. TerminusDB vs. VelocityDB

System Properties Comparison Dragonfly vs. SiriDB vs. TDSQL for MySQL vs. TerminusDB vs. VelocityDB

Editorial information provided by DB-Engines
NameDragonfly  Xexclude from comparisonSiriDB  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA drop-in Redis replacement that scales vertically to support millions of operations per second and terabyte sized workloads, all on a single instanceOpen Source Time Series DBMSA high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.Scalable 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 modelKey-value storeTime Series DBMSRelational DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
Spatial DBMS
Document store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#255  Overall
#38  Key-value stores
Score0.00
Rank#385  Overall
#40  Time Series DBMS
Score0.96
Rank#192  Overall
#88  Relational DBMS
Score0.19
Rank#311  Overall
#27  Graph DBMS
Score0.00
Rank#385  Overall
#40  Graph DBMS
#21  Object oriented DBMS
Websitegithub.com/­dragonflydb/­dragonfly
www.dragonflydb.io
siridb.comwww.tencentcloud.com/­products/­dcdbterminusdb.comvelocitydb.com
Technical documentationwww.dragonflydb.io/­docsdocs.siridb.comwww.tencentcloud.com/­document/­product/­1042terminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperDragonflyDB team and community contributorsCesbitTencentDataChemist Ltd.VelocityDB Inc
Initial release20232017201320182011
Current release1.0, March 202311.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoBSL 1.1Open Source infoMIT LicensecommercialOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++CProlog, RustC#
Server operating systemsLinuxLinuxhostedLinuxAny that supports .NET
Data schemescheme-freeyesyesyesyes
Typing infopredefined data types such as float or datestrings, hashes, lists, sets, sorted sets, bit arraysyes infoNumeric datayesyesyes
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.nonononono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnonoyesSQL-like query language (WOQL)no
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocolHTTP APIJDBC
ODBC
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesC
C#
C++
Clojure
D
Dart
Elixir
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
Objective-C
Perl
PHP
Python
R
Ruby
Rust
Scala
Swift
Tcl
C
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
C
C#
C++
Java
PHP
Python
Ruby
JavaScript
Python
.Net
Server-side scripts infoStored proceduresLuanoyesyesno
Triggerspublish/subscribe channels provide some trigger functionalitynoyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingAutomatic shardingGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesMulti-source replication
Source-replica replication
Journaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of command blocks and scriptsnoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, strict serializability by the serveryesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyes
User concepts infoAccess controlPassword-based authenticationsimple rights management via user accountsUsers with fine-grained authorization conceptRole-based access controlBased on Windows Authentication

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More resources
DragonflySiriDBTDSQL for MySQLTerminusDB infoformer name was DataChemistVelocityDB
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