DBMS > EventStoreDB vs. Machbase Neo vs. Microsoft Azure AI Search vs. Microsoft Azure Synapse Analytics

System Properties Comparison EventStoreDB vs. Machbase Neo vs. Microsoft Azure AI Search vs. Microsoft Azure Synapse Analytics

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Editorial information provided by DB-Engines
Name	EventStoreDB  Xexclude from comparison	Machbase Neo Former name was Infiniflux  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison
Description	Industrial-strength, open-source database solution built from the ground up for event sourcing.	TimeSeries DBMS for AIoT and BigData	Search-as-a-service for web and mobile app development	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server
Primary database model	Event Store	Time Series DBMS	Search engine	Relational DBMS
Secondary database models			Vector DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.19 Rank #173   Overall #1   Event Stores	Score 0.17 Rank #337   Overall #30   Time Series DBMS	Score 5.52 Rank #59   Overall #6   Search engines	Score 19.93 Rank #31   Overall #19   Relational DBMS
Website	www.eventstore.com	machbase.com	azure.microsoft.com/­en-us/­services/­search	azure.microsoft.com/­services/­synapse-analytics
Technical documentation	developers.eventstore.com	machbase.com/­dbms	learn.microsoft.com/­en-us/­azure/­search	docs.microsoft.com/­azure/­synapse-analytics
Developer	Event Store Limited	Machbase	Microsoft	Microsoft
Initial release	2012	2013	2015	2016
Current release	21.2, February 2021	V8.0, August 2023	V1
License Commercial or Open Source	Open Source	commercial free test version available	commercial	commercial
Cloud-based only Only available as a cloud service	no	no	yes	yes
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		C		C++
Server operating systems	Linux Windows	Linux macOS Windows	hosted	hosted
Data scheme		yes	yes	yes
Typing predefined data types such as float or date		yes	yes	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	no
Secondary indexes		yes	yes	yes
SQL Support of SQL		SQL-like query language	no	yes
APIs and other access methods		gRPC HTTP REST JDBC MQTT (Message Queue Telemetry Transport) ODBC	RESTful HTTP API	ADO.NET JDBC ODBC
Supported programming languages		C C# C++ Go Java JavaScript PHP via ODBC Python R via ODBC Scala	C# Java JavaScript Python	C# Java PHP
Server-side scripts Stored procedures		no	no	Transact SQL
Triggers		no	no	no
Partitioning methods Methods for storing different data on different nodes		Sharding	Sharding Implicit feature of the cloud service	Sharding, horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes		selectable replication factor	yes Implicit feature of the cloud service	yes
MapReduce Offers an API for user-defined Map/Reduce methods		no	no	no
Consistency concepts Methods to ensure consistency in a distributed system			Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity		no	no	no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data		no	no	ACID
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent		no	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.		yes volatile and lookup table	no
User concepts Access control		simple password-based access control	yes using Azure authentication	yes
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More resources
	EventStoreDB	Machbase Neo Former name was Infiniflux	Microsoft Azure AI Search	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse
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