DBMS > EventStoreDB vs. Microsoft Azure Data Explorer vs. OpenEdge vs. searchxml

System Properties Comparison EventStoreDB vs. Microsoft Azure Data Explorer vs. OpenEdge vs. searchxml

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Editorial information provided by DB-Engines
Name	EventStoreDB  Xexclude from comparison	Microsoft Azure Data Explorer  Xexclude from comparison	OpenEdge  Xexclude from comparison	searchxml  Xexclude from comparison
Description	Industrial-strength, open-source database solution built from the ground up for event sourcing.	Fully managed big data interactive analytics platform	Application development environment with integrated database management system	DBMS for structured and unstructured content wrapped with an application server
Primary database model	Event Store	Relational DBMS column oriented	Relational DBMS	Native XML DBMS Search engine
Secondary database models		Document store If a column is of type dynamic docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types/­dynamic then it's possible to add arbitrary JSON documents in this cell Event Store this is the general usage pattern at Microsoft. Billing, Logs, Telemetry events are stored in ADX and the state of an individual entity is defined by the arg_max(timestamps) Spatial DBMS Search engine support for complex search expressions docs.microsoft.com/­en-us/­azure/­kusto/­query/­parseoperator FTS, Geospatial docs.microsoft.com/­en-us/­azure/­kusto/­query/­geo-point-to-geohash-function distributed search -> ADX acts as a distributed search engine Time Series DBMS see docs.microsoft.com/­en-us/­azure/­data-explorer/­time-series-analysis
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.19 Rank #173   Overall #1   Event Stores	Score 3.80 Rank #81   Overall #43   Relational DBMS	Score 3.45 Rank #85   Overall #46   Relational DBMS	Score 0.03 Rank #390   Overall #7   Native XML DBMS #24   Search engines
Website	www.eventstore.com	azure.microsoft.com/­services/­data-explorer	www.progress.com/­openedge	www.searchxml.net/­category/­products
Technical documentation	developers.eventstore.com	docs.microsoft.com/­en-us/­azure/­data-explorer	documentation.progress.com/­output/­ua/­OpenEdge_latest	www.searchxml.net/­support/­handouts
Developer	Event Store Limited	Microsoft	Progress Software Corporation	informationpartners gmbh
Initial release	2012	2019	1984	2015
Current release	21.2, February 2021	cloud service with continuous releases	OpenEdge 12.2, March 2020	1.0
License Commercial or Open Source	Open Source	commercial	commercial	commercial
Cloud-based only Only available as a cloud service	no	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language				C++
Server operating systems	Linux Windows	hosted	AIX HP-UX Linux Solaris Windows	Windows
Data scheme		Fixed schema with schema-less datatypes (dynamic)	yes	schema-free
Typing predefined data types such as float or date		yes bool, datetime, dynamic, guid, int, long, real, string, timespan, double: docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types	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.		yes	yes	yes
Secondary indexes		all fields are automatically indexed	yes	yes
SQL Support of SQL		Kusto Query Language (KQL), SQL subset	yes close to SQL 92	no
APIs and other access methods		Microsoft SQL Server communication protocol (MS-TDS) RESTful HTTP API	JDBC ODBC	RESTful HTTP API WebDAV XQuery XSLT
Supported programming languages		.Net Go Java JavaScript (Node.js) PowerShell Python R	Progress proprietary ABL (Advanced Business Language)	C++ most other programming languages supported via APIs
Server-side scripts Stored procedures		Yes, possible languages: KQL, Python, R	yes	yes on the application server
Triggers		yes see docs.microsoft.com/­en-us/­azure/­kusto/­management/­updatepolicy	yes	no
Partitioning methods Methods for storing different data on different nodes		Sharding Implicit feature of the cloud service	horizontal partitioning since Version 11.4	none
Replication methods Methods for redundantly storing data on multiple nodes		yes Implicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.	Source-replica replication	yes sychronisation to multiple collections
MapReduce Offers an API for user-defined Map/Reduce methods		Spark connector (open source): github.com/­Azure/­azure-kusto-spark	no	no
Consistency concepts Methods to ensure consistency in a distributed system		Eventual Consistency Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity		no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data		no	ACID	multiple readers, single writer
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent		yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.		no	no	no
User concepts Access control		Azure Active Directory Authentication	Users and groups	Domain, group and role-based access control at the document level and for application services
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More resources
	EventStoreDB	Microsoft Azure Data Explorer	OpenEdge	searchxml
Recent citations in the news		We’re retiring Azure Time Series Insights on 7 July 2024 – transition to Azure Data Explorer | Azure updates 31 May 2024, Microsoft Update records in a Kusto Database (public preview) | Azure updates 20 February 2024, Microsoft Public Preview: Azure Data Explorer connector for Apache Flink | Azure updates 8 January 2024, Microsoft Announcing General Availability to migrate Virtual Network injected Azure Data Explorer Cluster to Private Endpoints ... 5 February 2024, Microsoft Migration of Azure Virtual Network injected Azure Data Explorer cluster to Private Endpoints | Azure updates 4 December 2023, Microsoft provided by Google News	OpenEdge Application Development | Progress OpenEdge 14 September 2014, Progress Software What's New in OpenEdge 12.8 15 April 2024, release.nl PoC Exploit Released for OpenEdge Authentication Gateway & AdminServer Vulnerability 11 March 2024, GBHackers provided by Google News

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