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DBMS > Alibaba Cloud PolarDB vs. Ingres vs. TerminusDB vs. VelocityDB

System Properties Comparison Alibaba Cloud PolarDB vs. Ingres vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonIngres  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Well established RDBMSScalable 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 DBMSRelational DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.59
Rank#241  Overall
#110  Relational DBMS
Score4.11
Rank#81  Overall
#44  Relational DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.alibabacloud.com/­product/­polardbwww.actian.com/­databases/­ingresterminusdb.comvelocitydb.com
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewdocs.actian.com/­ingresterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperAlibabaActian CorporationDataChemist Ltd.VelocityDB Inc
Initial release1974 infooriginally developed at University Berkely in early 1970s20182011
Current release11.2, May 202211.0.0, January 20237.x
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCProlog, RustC#
Server operating systemshostedAIX
HP Open VMS
HP-UX
Linux
Solaris
Windows
LinuxAny that supports .NET
Data schemeyesyesyesyes
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.yesno infobut tools for importing/exporting data from/to XML-files availablenono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesSQL-like query language (WOQL)no
APIs and other access methodsJDBC
ODBC
.NET Client API
JDBC
ODBC
proprietary protocol (OpenAPI)
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesJava
Python
JavaScript
Python
.Net
Server-side scripts infoStored proceduresyesyesyesno
TriggersyesyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicehorizontal partitioning infoIngres Star to access multiple databases simultaneouslyGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceIngres ReplicatorJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes
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.yesnoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardRole-based access controlBased on Windows Authentication
More information provided by the system vendor
Alibaba Cloud PolarDBIngresTerminusDB infoformer name was DataChemistVelocityDB
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
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Alibaba Cloud PolarDBIngresTerminusDB infoformer name was DataChemistVelocityDB
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