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DBMS > Coveo vs. Dgraph vs. Immudb vs. JSqlDb vs. LokiJS

System Properties Comparison Coveo vs. Dgraph vs. Immudb vs. JSqlDb vs. LokiJS

Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonDgraph  Xexclude from comparisonImmudb  Xexclude from comparisonJSqlDb  Xexclude from comparisonLokiJS  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentDistributed and scalable native Graph DBMSAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.JavaScript Query Language Database, stores JavaScript objects and primitivesIn-memory JavaScript DBMS
Primary database modelSearch engineGraph DBMSKey-value storeDocument store
Object oriented DBMS
Document store
Secondary database modelsRelational 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
Score0.31
Rank#295  Overall
#42  Key-value stores
Score0.49
Rank#260  Overall
#42  Document stores
Websitewww.coveo.comdgraph.iogithub.com/­codenotary/­immudb
immudb.io
jsqldb.org (offline)github.com/­techfort/­LokiJS
Technical documentationdocs.coveo.comdgraph.io/­docsdocs.immudb.iotechfort.github.io/­LokiJS
DeveloperCoveoDgraph Labs, Inc.CodenotaryKonrad von Backstrom
Initial release20122016202020182014
Current release1.2.3, April 20220.8, December 2018
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoApache Version 2.0Open SourceOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoGoJavaScript
Server operating systemshostedLinux
OS X
Windows
BSD
Linux
macOS
Solaris
Windows
z/OS
Linux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnono
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 indexesyesyesyesnoyes infovia views
SQL infoSupport of SQLnonoSQL-like syntaxnono
APIs and other access methodsRESTful HTTP APIGraphQL query language
gRPC (using protocol buffers) API
HTTP API
gRPC protocol
PostgreSQL wire protocol
JavaScript API
Supported programming languagesC#
Java
JavaScript
Python
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
Go
Java
JavaScript (Node.js)
Python
JavaScriptJavaScript
Server-side scripts infoStored proceduresnononofunctions in JavaScriptView functions in JavaScript
Triggersyesnononoyes
Partitioning methods infoMethods for storing different data on different nodesyesyesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesSynchronous replication via Raftnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integrityyesnononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDACIDno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes infousing RocksDByes 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.noyes
User concepts infoAccess controlgranular access controls, API key management, content filtersno infoPlanned for future releasesno

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More resources
CoveoDgraphImmudbJSqlDbLokiJS
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