DBMS > Alibaba Cloud TSDB vs. Atos Standard Common Repository vs. BigchainDB vs. EJDB

System Properties Comparison Alibaba Cloud TSDB vs. Atos Standard Common Repository vs. BigchainDB vs. EJDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Atos Standard Common Repository  Xexclude from comparison	BigchainDB  Xexclude from comparison	EJDB  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	BigchainDB is scalable blockchain database offering decentralization, immutability and native assets	Embeddable document-store database library with JSON representation of queries (in MongoDB style)
Primary database model	Time Series DBMS	Document store Key-value store	Document store	Document store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS		Score 0.85 Rank #208   Overall #35   Document stores	Score 0.31 Rank #296   Overall #44   Document stores
Website	www.alibabacloud.com/­product/­hitsdb	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.bigchaindb.com	github.com/­Softmotions/­ejdb
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb		bigchaindb.readthedocs.io/­en/­latest	github.com/­Softmotions/­ejdb/­blob/­master/­README.md
Developer	Alibaba	Atos Convergence Creators		Softmotions
Initial release		2016	2016	2012
Current release		1703
License Commercial or Open Source	commercial	commercial	Open Source AGPL v3	Open Source GPLv2
Cloud-based only Only available as a cloud service	yes	no	no	no
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Implementation language		Java	Python	C
Server operating systems	hosted	Linux	Linux	server-less
Data scheme	schema-free	Schema and schema-less with LDAP views	schema-free	schema-free
Typing predefined data types such as float or date	Numeric data and Strings	optional	no	yes string, integer, double, bool, date, object_id
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
Secondary indexes	no	yes		no
SQL Support of SQL	no	no	no	no
APIs and other access methods	HTTP REST	LDAP	CLI Client RESTful HTTP API	in-process shared library
Supported programming languages	Java	All languages with LDAP bindings	Go Haskell Java JavaScript Python Ruby	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby
Server-side scripts Stored procedures	no	no		no
Triggers	no	yes		no
Partitioning methods Methods for storing different data on different nodes		Sharding cell division	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes		yes	selectable replication factor	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
Foreign keys Referential integrity	no	no	no	no typically not needed, however similar functionality with collection joins possible
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	Atomic execution of specific operations		no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes Read/Write Locking
Durability Support for making data persistent	yes	yes	yes,with MongoDB ord RethinkDB	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes
User concepts Access control	Access managed on TSDB instance level	LDAP bind authentication	yes	no
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More resources
	Alibaba Cloud TSDB	Atos Standard Common Repository	BigchainDB	EJDB
Recent citations in the news			Using BigchainDB: A Database with Blockchain Characteristics 20 January 2022, Open Source For You Blockchain Database Startup BigchainDB Raises €3 Million 27 September 2016, CoinDesk BigchainDB Raises €3M Series A Funding 28 September 2016, FinSMEs ascribe announces scalable blockchain database BigchainDB - CoinReport 13 February 2016, CoinReport Catena-X Welcomes New Members: Bosch, Ocean Protocol, Fetch.ai 20 May 2021, Coinspeaker provided by Google News

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