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DBMS > Ingres vs. OpenMLDB vs. TerminusDB vs. VelocityDB

System Properties Comparison Ingres vs. OpenMLDB vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameIngres  Xexclude from comparisonOpenMLDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionWell established RDBMSAn open-source machine learning database that provides a feature platform for training and inferenceScalable 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 modelRelational 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
Score4.11
Rank#81  Overall
#44  Relational DBMS
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.actian.com/­databases/­ingresopenmldb.aiterminusdb.comvelocitydb.com
Technical documentationdocs.actian.com/­ingresopenmldb.ai/­docs/­zh/­mainterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperActian Corporation4 Paradigm Inc.DataChemist Ltd.VelocityDB Inc
Initial release1974 infooriginally developed at University Berkely in early 1970s202020182011
Current release11.2, May 20222024-2 February 202411.0.0, January 20237.x
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++, Java, ScalaProlog, RustC#
Server operating systemsAIX
HP Open VMS
HP-UX
Linux
Solaris
Windows
LinuxLinuxAny that supports .NET
Data schemeyesFixed schemayesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 infobut tools for importing/exporting data from/to XML-files availablenonono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesSQL-like query language (WOQL)no
APIs and other access methods.NET Client API
JDBC
ODBC
proprietary protocol (OpenAPI)
JDBC
SQLAlchemy
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesC++
Go
Java
Python
Scala
JavaScript
Python
.Net
Server-side scripts infoStored proceduresyesnoyesno
TriggersyesnoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning infoIngres Star to access multiple databases simultaneouslyhorizontal partitioningGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesIngres ReplicatorSource-replica replicationJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoMVCCyesyesyes
Durability infoSupport for making data persistentyesyesyes 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-standardfine grained access rights according to SQL-standardRole-based access controlBased on Windows Authentication

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More resources
IngresOpenMLDBTerminusDB infoformer name was DataChemistVelocityDB
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