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

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

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Editorial information provided by DB-Engines
Name	AlaSQL  Xexclude from comparison	Alibaba Cloud TSDB  Xexclude from comparison	Atos Standard Common Repository  Xexclude from comparison	Lovefield  Xexclude from comparison
			This system has been discontinued and will be removed from the DB-Engines ranking.
Description	JavaScript DBMS library	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	Embeddable relational database for web apps written in pure JavaScript
Primary database model	Document store Relational DBMS	Time Series DBMS	Document store Key-value store	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.51 Rank #256   Overall #40   Document stores #118   Relational DBMS	Score 0.29 Rank #301   Overall #26   Time Series DBMS		Score 0.33 Rank #286   Overall #131   Relational DBMS
Website	alasql.org	www.alibabacloud.com/­product/­hitsdb	atos.net/en/convergence-creators/portfolio/standard-common-repository	google.github.io/­lovefield
Technical documentation	github.com/­AlaSQL/­alasql	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb		github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md
Developer	Andrey Gershun & Mathias R. Wulff	Alibaba	Atos Convergence Creators	Google
Initial release	2014		2016	2014
Current release			1703	2.1.12, February 2017
License Commercial or Open Source	Open Source MIT-License	commercial	commercial	Open Source Apache 2.0
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	JavaScript		Java	JavaScript
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	hosted	Linux	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari
Data scheme	schema-free	schema-free	Schema and schema-less with LDAP views	yes
Typing predefined data types such as float or date	no	Numeric data and Strings	optional	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	no
Secondary indexes	no	no	yes	yes
SQL Support of SQL	Close to SQL99, but no user access control, stored procedures and host language bindings.	no	no	SQL-like query language via JavaScript builder pattern
APIs and other access methods	JavaScript API	HTTP REST	LDAP
Supported programming languages	JavaScript	Java	All languages with LDAP bindings	JavaScript
Server-side scripts Stored procedures	no	no	no	no
Triggers	yes	no	yes	Using read-only observers
Partitioning methods Methods for storing different data on different nodes	none		Sharding cell division	none
Replication methods Methods for redundantly storing data on multiple nodes	none		yes	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no		no
Consistency concepts Methods to ensure consistency in a distributed system	none	Immediate Consistency	Immediate Consistency or Eventual Consistency depending on configuration
Foreign keys Referential integrity	yes	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes only for local storage and DOM-storage	no	Atomic execution of specific operations	ACID
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent	yes by using IndexedDB, SQL.JS or proprietary FileStorage	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.	yes	no	yes	yes using MemoryDB
User concepts Access control	no	Access managed on TSDB instance level	LDAP bind authentication	no
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More resources
	AlaSQL	Alibaba Cloud TSDB	Atos Standard Common Repository	Lovefield
Recent citations in the news	Create a Marvel Database with SQL and Javascript, the easy way 2 July 2019, Towards Data Science Multi faceted data exploration in the browser using Leaflet and amCharts 3 May 2020, Towards Data Science provided by Google News

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