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DBMS > BigchainDB vs. Coveo vs. Dgraph vs. LokiJS

System Properties Comparison BigchainDB vs. Coveo vs. Dgraph vs. LokiJS

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Editorial information provided by DB-Engines
NameBigchainDB  Xexclude from comparisonCoveo  Xexclude from comparisonDgraph  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionBigchainDB is scalable blockchain database offering decentralization, immutability and native assetsAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentDistributed and scalable native Graph DBMSIn-memory JavaScript DBMS
Primary database modelDocument storeSearch engineGraph DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.82
Rank#212  Overall
#36  Document stores
Score2.34
Rank#117  Overall
#11  Search engines
Score1.48
Rank#158  Overall
#15  Graph DBMS
Score0.48
Rank#262  Overall
#42  Document stores
Websitewww.bigchaindb.comwww.coveo.comdgraph.iogithub.com/­techfort/­LokiJS
Technical documentationbigchaindb.readthedocs.io/­en/­latestdocs.coveo.comdgraph.io/­docstechfort.github.io/­LokiJS
DeveloperCoveoDgraph Labs, Inc.
Initial release2016201220162014
License infoCommercial or Open SourceOpen Source infoAGPL v3commercialOpen Source infoApache 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languagePythonGoJavaScript
Server operating systemsLinuxhostedLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeschema-free
Typing infopredefined data types such as float or datenoyesyesno
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nononono
Secondary indexesyesyesyes infovia views
SQL infoSupport of SQLnononono
APIs and other access methodsCLI Client
RESTful HTTP API
RESTful HTTP APIGraphQL query language
gRPC (using protocol buffers) API
HTTP API
JavaScript API
Supported programming languagesGo
Haskell
Java
JavaScript
Python
Ruby
C#
Java
JavaScript
Python
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
JavaScript
Server-side scripts infoStored proceduresnonoView functions in JavaScript
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingyesyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryesSynchronous replication via Raftnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes,with MongoDB ord RethinkDByesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlyesgranular access controls, API key management, content filtersno infoPlanned for future releasesno

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More resources
BigchainDBCoveoDgraphLokiJS
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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An Introduction to BigchainDB, a Popular Blockchain Database
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