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DBMS > Coveo vs. Dgraph vs. Kyligence Enterprise vs. LokiJS vs. NuoDB

System Properties Comparison Coveo vs. Dgraph vs. Kyligence Enterprise vs. LokiJS vs. NuoDB

Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonDgraph  Xexclude from comparisonKyligence Enterprise  Xexclude from comparisonLokiJS  Xexclude from comparisonNuoDB  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentDistributed and scalable native Graph DBMSA distributed analytics engine for big data, built on top of Apache KylinIn-memory JavaScript DBMSNuoDB is a webscale distributed database that supports SQL and ACID transactions
Primary database modelSearch engineGraph DBMSRelational DBMSDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.11
Rank#118  Overall
#11  Search engines
Score1.53
Rank#152  Overall
#15  Graph DBMS
Score0.46
Rank#266  Overall
#124  Relational DBMS
Score0.49
Rank#260  Overall
#42  Document stores
Score0.94
Rank#197  Overall
#92  Relational DBMS
Websitewww.coveo.comdgraph.iokyligence.io/­kyligence-enterprisegithub.com/­techfort/­LokiJSwww.3ds.com/­nuodb-distributed-sql-database
Technical documentationdocs.coveo.comdgraph.io/­docstechfort.github.io/­LokiJSdoc.nuodb.com
DeveloperCoveoDgraph Labs, Inc.Kyligence, Inc.Dassault Systèmes infooriginally NuoDB, Inc.
Initial release20122016201620142013
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercialOpen Sourcecommercial infolimited edition free
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaJavaScriptC++
Server operating systemshostedLinux
OS X
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesnoyes
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.nonononono
Secondary indexesyesyesyesyes infovia viewsyes
SQL infoSupport of SQLnonoANSI SQL for queries (using Apache Calcite)noyes
APIs and other access methodsRESTful HTTP APIGraphQL query language
gRPC (using protocol buffers) API
HTTP API
JDBC
ODBC
RESTful HTTP API
JavaScript APIADO.NET
JDBC
ODBC
Supported programming languagesC#
Java
JavaScript
Python
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
JavaScript.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonoView functions in JavaScriptJava, SQL
Triggersyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesyesyesnonedata is dynamically stored/cached on the nodes where it is read/written
Replication methods infoMethods for redundantly storing data on multiple nodesyesSynchronous replication via Raftnoneyes infoManaged transparently by NuoDB
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDno infoatomic operations within a single collection possibleACID infotunable commit protocol
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoMVCC
Durability infoSupport for making data persistentyesyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infoTemporary table
User concepts infoAccess controlgranular access controls, API key management, content filtersno infoPlanned for future releasesnoStandard SQL roles/ privileges, Administrative Users

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More resources
CoveoDgraphKyligence EnterpriseLokiJSNuoDB
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