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DBMS > Heroic vs. IBM Db2 warehouse vs. TDengine vs. TerminusDB vs. VelocityDB

System Properties Comparison Heroic vs. IBM Db2 warehouse vs. TDengine vs. TerminusDB vs. VelocityDB

Editorial information provided by DB-Engines
NameHeroic  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonTDengine  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchCloud-based data warehousing serviceTime Series DBMS and big data platformScalable 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 modelTime Series DBMSRelational DBMSTime Series DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#265  Overall
#22  Time Series DBMS
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score2.68
Rank#106  Overall
#9  Time Series DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitegithub.com/­spotify/­heroicwww.ibm.com/­products/­db2/­warehousegithub.com/­taosdata/­TDengine
tdengine.com
terminusdb.comvelocitydb.com
Technical documentationspotify.github.io/­heroicdocs.tdengine.comterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperSpotifyIBMTDEngine, previously Taos DataDataChemist Ltd.VelocityDB Inc
Initial release20142014201920182011
Current release3.0, August 202211.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialOpen Source infoAGPL V3, also commercial editions availableOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCProlog, RustC#
Server operating systemshostedLinux
Windows
LinuxAny that supports .NET
Data schemeschema-freeyesyesyesyes
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.nono infoImport/export of XML data possiblenonono
Secondary indexesyes infovia Elasticsearchyesnoyes
SQL infoSupport of SQLnoyesStandard SQL with extensions for time-series applicationsSQL-like query language (WOQL)no
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
.NET Client API
JDBC
ODBC
OLE DB
JDBC
RESTful HTTP API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
JavaScript
Python
.Net
Server-side scripts infoStored proceduresnoPL/SQL, SQL PLnoyesno
Triggersnoyesyes, via alarm monitoringyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingShardingGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesyesJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
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.noyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardyesRole-based access controlBased on Windows Authentication
More information provided by the system vendor
HeroicIBM Db2 warehouse infoformerly named IBM dashDBTDengineTerminusDB infoformer name was DataChemistVelocityDB
Specific characteristicsTDengine™ is a next generation data historian purpose-built for Industry 4.0 and...
» more
Competitive advantagesHigh Performance at any Scale: TDengine is purpose-built for handling massive industrial...
» more
Typical application scenariosTDengine is designed for Industrial IoT scenarios, including: Manufacturing Connected...
» more
Market metricsTDengine has garnered over 22,500 stars on GitHub and is used in over 50 countries...
» more
Licensing and pricing modelsTDengine OSS is an open source, cloud native time series database. It includes built-in...
» more
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More resources
HeroicIBM Db2 warehouse infoformerly named IBM dashDBTDengineTerminusDB infoformer name was DataChemistVelocityDB
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