DBMS > Alibaba Cloud TSDB vs. Atos Standard Common Repository vs. Cubrid vs. EventStoreDB vs. Lovefield

System Properties Comparison Alibaba Cloud TSDB vs. Atos Standard Common Repository vs. Cubrid vs. EventStoreDB vs. Lovefield

Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Atos Standard Common Repository  Xexclude from comparison	Cubrid  Xexclude from comparison	EventStoreDB  Xexclude from comparison	Lovefield  Xexclude from comparison
		This system has been discontinued and will be removed from the DB-Engines ranking.
Description	A stable, reliable, and cost-effective online high-performance time series database service	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	CUBRID is an open-source SQL-based relational database management system with object extensions for OLTP	Industrial-strength, open-source database solution built from the ground up for event sourcing.	Embeddable relational database for web apps written in pure JavaScript
Primary database model	Time Series DBMS	Document store Key-value store	Relational DBMS	Event Store	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 1.04 Rank #187   Overall #87   Relational DBMS	Score 1.19 Rank #173   Overall #1   Event Stores	Score 0.33 Rank #286   Overall #131   Relational DBMS
Website	www.alibabacloud.com/­product/­hitsdb	atos.net/en/convergence-creators/portfolio/standard-common-repository	cubrid.com (korean) cubrid.org (english)	www.eventstore.com	google.github.io/­lovefield
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb		cubrid.org/­manuals	developers.eventstore.com	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md
Developer	Alibaba	Atos Convergence Creators	CUBRID Corporation, CUBRID Foundation	Event Store Limited	Google
Initial release		2016	2008	2012	2014
Current release		1703	11.0, January 2021	21.2, February 2021	2.1.12, February 2017
License Commercial or Open Source	commercial	commercial	Open Source Apache Version 2.0	Open Source	Open Source Apache 2.0
Cloud-based only Only available as a cloud service	yes	no	no	no	no
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Implementation language		Java	C, C++, Java		JavaScript
Server operating systems	hosted	Linux	Linux Windows	Linux Windows	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari
Data scheme	schema-free	Schema and schema-less with LDAP views	yes		yes
Typing predefined data types such as float or date	Numeric data and Strings	optional	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	yes	no		no
Secondary indexes	no	yes	yes		yes
SQL Support of SQL	no	no	yes		SQL-like query language via JavaScript builder pattern
APIs and other access methods	HTTP REST	LDAP	ADO.NET JDBC ODBC OLE DB
Supported programming languages	Java	All languages with LDAP bindings	C C# C++ Go Java JavaScript (Node.js) Perl PHP Python Ruby		JavaScript
Server-side scripts Stored procedures	no	no	Java Stored Procedures		no
Triggers	no	yes	yes		Using read-only observers
Partitioning methods Methods for storing different data on different nodes		Sharding cell division	none		none
Replication methods Methods for redundantly storing data on multiple nodes		yes	Source-replica replication		none
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 or Eventual Consistency depending on configuration	Immediate Consistency
Foreign keys Referential integrity	no	no	yes		yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	Atomic execution of specific operations	ACID		ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes		yes
Durability Support for making data persistent	yes	yes	yes		yes, by using IndexedDB or the cloud service Firebase Realtime Database
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes	no		yes using MemoryDB
User concepts Access control	Access managed on TSDB instance level	LDAP bind authentication	fine grained access rights according to SQL-standard		no
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