DBMS > Alibaba Cloud TSDB vs. Atos Standard Common Repository vs. GeoSpock vs. LokiJS

System Properties Comparison Alibaba Cloud TSDB vs. Atos Standard Common Repository vs. GeoSpock vs. LokiJS

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Atos Standard Common Repository  Xexclude from comparison	GeoSpock  Xexclude from comparison	LokiJS  Xexclude from comparison
		This system has been discontinued and will be removed from the DB-Engines ranking.	GeoSpock seems to be discontinued. Therefore it will be excluded 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	Spatial and temporal data processing engine for extreme data scale	In-memory JavaScript DBMS
Primary database model	Time Series DBMS	Document store Key-value store	Relational DBMS	Document store
Secondary database models			Time Series DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS			Score 0.49 Rank #260   Overall #42   Document stores
Website	www.alibabacloud.com/­product/­hitsdb	atos.net/en/convergence-creators/portfolio/standard-common-repository	geospock.com	github.com/­techfort/­LokiJS
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb			techfort.github.io/­LokiJS
Developer	Alibaba	Atos Convergence Creators	GeoSpock
Initial release		2016		2014
Current release		1703	2.0, September 2019
License Commercial or Open Source	commercial	commercial	commercial	Open Source
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		Java	Java, Javascript	JavaScript
Server operating systems	hosted	Linux	hosted	server-less, requires a JavaScript environment (browser, Node.js)
Data scheme	schema-free	Schema and schema-less with LDAP views	yes	schema-free
Typing predefined data types such as float or date	Numeric data and Strings	optional	yes	no
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	temporal, categorical	yes via views
SQL Support of SQL	no	no	ANSI SQL for query only (using Presto)	no
APIs and other access methods	HTTP REST	LDAP	JDBC	JavaScript API
Supported programming languages	Java	All languages with LDAP bindings		JavaScript
Server-side scripts Stored procedures	no	no	no	View functions in JavaScript
Triggers	no	yes	no	yes
Partitioning methods Methods for storing different data on different nodes		Sharding cell division	Automatic sharding	none
Replication methods Methods for redundantly storing data on multiple nodes		yes		none
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 or Eventual Consistency depending on configuration	Immediate Consistency	none
Foreign keys Referential integrity	no	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	Atomic execution of specific operations	no	no atomic operations within a single collection possible
Concurrency Support for concurrent manipulation of data	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes Serialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes	no	yes
User concepts Access control	Access managed on TSDB instance level	LDAP bind authentication	Access rights for users can be defined per table	no
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More resources
	Alibaba Cloud TSDB	Atos Standard Common Repository	GeoSpock	LokiJS
DB-Engines blog posts				New kids on the block: database management systems implemented in JavaScript 1 December 2014, Matthias Gelbmann show all
Recent citations in the news			Cambridge-based data analytics startup GeoSpock lands €4.6 million 2 October 2020, EU-Startups nChain leads investment round in extreme-scale data firm GeoSpock 2 October 2020, CoinGeek GeoSpock’s extreme-scale data mission in $5.4m funding boost 8 October 2020, Cambridge Independent UK-based database GeoSpock bags $5.4m, to expand into 6 October 2020, Tech in Asia Big data processing techniques to streamline analytics 5 October 2018, TechTarget provided by Google News	LokiJS - A JavaScript Database 18 November 2014, iProgrammer provided by Google News

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