DBMS > Alibaba Cloud TSDB vs. EventStoreDB vs. Microsoft Azure Synapse Analytics vs. Splunk

System Properties Comparison Alibaba Cloud TSDB vs. EventStoreDB vs. Microsoft Azure Synapse Analytics vs. Splunk

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	EventStoreDB  Xexclude from comparison	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison	Splunk  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	Industrial-strength, open-source database solution built from the ground up for event sourcing.	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server	Analytics Platform for Big Data
Primary database model	Time Series DBMS	Event Store	Relational DBMS	Search engine
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 1.19 Rank #173   Overall #1   Event Stores	Score 19.93 Rank #31   Overall #19   Relational DBMS	Score 89.10 Rank #14   Overall #2   Search engines
Website	www.alibabacloud.com/­product/­hitsdb	www.eventstore.com	azure.microsoft.com/­services/­synapse-analytics	www.splunk.com
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	developers.eventstore.com	docs.microsoft.com/­azure/­synapse-analytics	docs.splunk.com/­Documentation/­Splunk
Developer	Alibaba	Event Store Limited	Microsoft	Splunk Inc.
Initial release		2012	2016	2003
Current release		21.2, February 2021
License Commercial or Open Source	commercial	Open Source	commercial	commercial Limited free edition and free developer edition available
Cloud-based only Only available as a cloud service	yes	no	yes	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	hosted	Linux Windows	hosted	Linux OS X Solaris Windows
Data scheme	schema-free		yes	yes
Typing predefined data types such as float or date	Numeric data and Strings		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	yes
Secondary indexes	no		yes	yes
SQL Support of SQL	no		yes	no Splunk Search Processing Language for search commands
APIs and other access methods	HTTP REST		ADO.NET JDBC ODBC	HTTP REST
Supported programming languages	Java		C# Java PHP	C# Java JavaScript PHP Python Ruby
Server-side scripts Stored procedures	no		Transact SQL	yes
Triggers	no		no	yes
Partitioning methods Methods for storing different data on different nodes			Sharding, horizontal partitioning	Sharding
Replication methods Methods for redundantly storing data on multiple nodes			yes	Multi-source replication
MapReduce Offers an API for user-defined Map/Reduce methods	no		no	yes
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency		Immediate Consistency	Eventual Consistency
Foreign keys Referential integrity	no		no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no		ACID	no A 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
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
User concepts Access control	Access managed on TSDB instance level		yes	Access rights for users and roles
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More resources
	Alibaba Cloud TSDB	EventStoreDB	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse	Splunk
DB-Engines blog posts				Enterprise Search Engines almost double their popularity in the last 12 months 2 July 2014, Paul Andlinger show all
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

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