DBMS > Microsoft Azure Synapse Analytics vs. Stardog vs. TerarkDB vs. VelocityDB

System Properties Comparison Microsoft Azure Synapse Analytics vs. Stardog vs. TerarkDB vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison	Stardog  Xexclude from comparison	TerarkDB  Xexclude from comparison	VelocityDB  Xexclude from comparison
Description	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server	Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization	A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Relational DBMS	Graph DBMS RDF store	Key-value store	Graph DBMS Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 19.93 Rank #31   Overall #19   Relational DBMS	Score 2.07 Rank #122   Overall #11   Graph DBMS #6   RDF stores	Score 0.08 Rank #367   Overall #56   Key-value stores	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	azure.microsoft.com/­services/­synapse-analytics	www.stardog.com	github.com/­bytedance/­terarkdb	velocitydb.com
Technical documentation	docs.microsoft.com/­azure/­synapse-analytics	docs.stardog.com	bytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKc	velocitydb.com/­UserGuide
Developer	Microsoft	Stardog-Union	ByteDance, originally Terark	VelocityDB Inc
Initial release	2016	2010	2016	2011
Current release		7.3.0, May 2020		7.x
License Commercial or Open Source	commercial	commercial 60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students	commercial restricted open source version available	commercial
Cloud-based only Only available as a cloud service	yes	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	C++	Java	C++	C#
Server operating systems	hosted	Linux macOS Windows		Any that supports .NET
Data scheme	yes	schema-free and OWL/RDFS-schema support	schema-free	yes
Typing predefined data types such as float or date	yes	yes	no	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no Import/export of XML data possible	no	no
Secondary indexes	yes	yes supports real-time indexing in full-text and geospatial	no	yes
SQL Support of SQL	yes	Yes, compatible with all major SQL variants through dedicated BI/SQL Server	no	no
APIs and other access methods	ADO.NET JDBC ODBC	GraphQL query language HTTP API Jena RDF API OWL RDF4J API Sesame REST HTTP Protocol SNARL SPARQL Spring Data Stardog Studio TinkerPop 3	C++ API Java API	.Net
Supported programming languages	C# Java PHP	.Net Clojure Groovy Java JavaScript Python Ruby	C++ Java	.Net
Server-side scripts Stored procedures	Transact SQL	user defined functions and aggregates, HTTP Server extensions in Java	no	no
Triggers	no	yes via event handlers	no	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding, horizontal partitioning	none	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	Multi-source replication in HA-Cluster	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency in HA-Cluster		Immediate Consistency
Foreign keys Referential integrity	no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints	yes relationships in graphs	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.		yes	yes	yes
User concepts Access control	yes	Access rights for users and roles	no	Based on Windows Authentication
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More resources
	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse	Stardog	TerarkDB	VelocityDB
Recent citations in the news	General Available: Azure Synapse Runtime for Apache Spark 3.4 is now GA | Azure updates 8 April 2024, Microsoft Azure Synapse Runtime for Apache Spark 3.2 End of Support | Azure updates 22 March 2024, Microsoft Azure Synapse Analytics: Everything you need to know about Microsoft's cloud analytics platform 24 September 2023, DataScientest Migrate Microsoft Azure Synapse Analytics to Amazon Redshift using AWS SCT | Amazon Web Services 18 October 2023, AWS Blog Azure Synapse vs. Databricks: Data Platform Comparison 2024 26 March 2024, eWeek provided by Google News		A Chinese company is making the cloud 200x faster · TechNode 3 July 2017, TechNode provided by Google News

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