DBMS > Alibaba Cloud TSDB vs. EsgynDB vs. Kyligence Enterprise vs. Sadas Engine

System Properties Comparison Alibaba Cloud TSDB vs. EsgynDB vs. Kyligence Enterprise vs. Sadas Engine

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Name	Alibaba Cloud TSDB  Xexclude from comparison	EsgynDB  Xexclude from comparison	Kyligence Enterprise  Xexclude from comparison	Sadas Engine  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	Enterprise-class SQL-on-Hadoop solution, powered by Apache Trafodion	A distributed analytics engine for big data, built on top of Apache Kylin	SADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environments
Primary database model	Time Series DBMS	Relational DBMS	Relational DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 0.25 Rank #312   Overall #138   Relational DBMS	Score 0.46 Rank #266   Overall #124   Relational DBMS	Score 0.07 Rank #373   Overall #157   Relational DBMS
Website	www.alibabacloud.com/­product/­hitsdb	www.esgyn.cn	kyligence.io/­kyligence-enterprise	www.sadasengine.com
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb			www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation
Developer	Alibaba	Esgyn	Kyligence, Inc.	SADAS s.r.l.
Initial release		2015	2016	2006
Current release				8.0
License Commercial or Open Source	commercial	commercial	commercial	commercial free trial version available
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	Java	C++
Server operating systems	hosted	Linux	Linux	AIX Linux Windows
Data scheme	schema-free	yes	yes	yes
Typing predefined data types such as float or date	Numeric data and Strings	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	no
Secondary indexes	no	yes	yes	yes
SQL Support of SQL	no	yes	ANSI SQL for queries (using Apache Calcite)	yes
APIs and other access methods	HTTP REST	ADO.NET JDBC ODBC	JDBC ODBC RESTful HTTP API	JDBC ODBC Proprietary protocol
Supported programming languages	Java	All languages supporting JDBC/ODBC/ADO.Net		.Net C C# C++ Groovy Java PHP Python
Server-side scripts Stored procedures	no	Java Stored Procedures		no
Triggers	no	no		no
Partitioning methods Methods for storing different data on different nodes		Sharding		horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes		Multi-source replication between multi datacenters		none
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	yes		yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	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.	no	no	no	yes managed by 'Learn by Usage'
User concepts Access control	Access managed on TSDB instance level	fine grained access rights according to SQL-standard		Access rights for users, groups and roles according to SQL-standard
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More resources
	Alibaba Cloud TSDB	EsgynDB	Kyligence Enterprise	Sadas Engine
Recent citations in the news			Kyligence Grows OLAP Business in the Cloud 20 February 2020, Datanami Kyligence adds ClickHouse OLAP engine to its analytics platform 10 August 2021, VentureBeat Introducing Kyligence Copilot: The AI Copilot for Data to Excel Your KPIs 23 August 2023, insideBIGDATA Distributed OLAPer Kyligence accelerates core engine, adds real-time data support – Blocks and Files 10 August 2021, Blocks & Files How Kyligence Cloud uses Amazon EMR Serverless to simplify OLAP | Amazon Web Services 9 November 2022, AWS Blog provided by Google News

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