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DBMS > Microsoft Azure SQL Database vs. TerminusDB vs. VelocityDB

System Properties Comparison Microsoft Azure SQL Database vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionDatabase as a Service offering with high compatibility to Microsoft SQL ServerScalable 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 DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
Graph DBMS
Document store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score27.51
Rank#25  Overall
#14  Relational DBMS
Score0.02
Rank#342  Overall
#32  Graph DBMS
Score0.07
Rank#311  Overall
#30  Graph DBMS
#16  Object oriented DBMS
Websiteazure.microsoft.com/­en-us/­services/­sql-databaseterminusdb.comvelocitydb.com
Technical documentationdocs.microsoft.com/­en-us/­azure/­sql-databaseterminusdb.com/­docsvelocitydb.com/­UserGuide
DeveloperMicrosoftDataChemist Ltd.VelocityDB Inc
Initial release201020182011
Current releaseV121.0, 20187.x
License infoCommercial or Open SourcecommercialOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++Prolog, RustC#
Server operating systemshostedLinuxAny that supports .NET
Data schemeyesyesyes
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.yesnono
Secondary indexesyesyes
SQL infoSupport of SQLyesSQL-like query language (WOQL)no
APIs and other access methodsJDBC
ODBC
ADO.NET
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languages.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
JavaScript
Python
.Net
Server-side scripts infoStored proceduresTransact SQLyesno
TriggersyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with always 3 replicas availableJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
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
User concepts infoAccess controlfine grained access rights according to SQL-standardRole-based access controlBased on Windows Authentication

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More resources
Microsoft Azure SQL Database infoformerly SQL AzureTerminusDB infoformer name was DataChemistVelocityDB
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Recent citations in the news

How to manage R packages in Azure SQL Database with sqlmlutils - Microsoft
10 October 2019, Channel 9

How to switch an existing Azure SQL Database from Provisioned Compute to Serverless - Microsoft
26 September 2019, Channel 9

How to switch an existing Azure SQL Database to Hyperscale - Microsoft
19 September 2019, Channel 9

Azure Database Updates: Hot patching; SQL Database; Auto-failover groups; Data Factory; Cosmos DB composite indexes
26 September 2019, MSDynamicsWorld.com

Implementing SQL Server Integration Services with Azure Data Factory
16 September 2019, Database Journal

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