DBMS > BigchainDB vs. LokiJS vs. Memcached

System Properties Comparison BigchainDB vs. LokiJS vs. Memcached

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Editorial information provided by DB-Engines
Name	BigchainDB  Xexclude from comparison	LokiJS  Xexclude from comparison	Memcached  Xexclude from comparison
Description	BigchainDB is scalable blockchain database offering decentralization, immutability and native assets	In-memory JavaScript DBMS	In-memory key-value store, originally intended for caching
Primary database model	Document store	Document store	Key-value store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.77 Rank #199   Overall #32   Document stores	Score 0.53 Rank #233   Overall #36   Document stores	Score 24.12 Rank #33   Overall #4   Key-value stores
Website	www.bigchaindb.com	github.com/­techfort/­LokiJS	www.memcached.org
Technical documentation	bigchaindb.readthedocs.io/­en/­latest	techfort.github.io/­LokiJS	github.com/­memcached/­memcached/­wiki
Developer			Danga Interactive originally developed by Brad Fitzpatrick for LiveJournal
Initial release	2016	2014	2003
Current release			1.6.15, March 2022
License Commercial or Open Source	Open Source AGPL v3	Open Source	Open Source BSD license
Cloud-based only Only available as a cloud service	no	no	no
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Implementation language	Python	JavaScript	C
Server operating systems	Linux	server-less, requires a JavaScript environment (browser, Node.js)	FreeBSD Linux OS X Unix Windows
Data scheme	schema-free	schema-free	schema-free
Typing predefined data types such as float or date	no	no	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	no
Secondary indexes		yes via views	no
SQL Support of SQL	no	no	no
APIs and other access methods	CLI Client RESTful HTTP API	JavaScript API	Proprietary protocol
Supported programming languages	Go Haskell Java JavaScript Python Ruby	JavaScript	.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml Perl PHP Python Ruby
Server-side scripts Stored procedures		View functions in JavaScript	no
Triggers		yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding	none	none
Replication methods Methods for redundantly storing data on multiple nodes	selectable replication factor	none	none Repcached, a Memcached patch, provides this functionallity
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no
Consistency concepts Methods to ensure consistency in a distributed system		none
Foreign keys Referential integrity	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data		no atomic operations within a single collection possible	no
Concurrency Support for concurrent manipulation of data	yes		yes
Durability Support for making data persistent	yes,with MongoDB ord RethinkDB	yes Serialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.	no
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.		yes
User concepts Access control	yes	no	yes using SASL (Simple Authentication and Security Layer) protocol
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	BigchainDB	LokiJS	Memcached
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