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DBMS > Coveo vs. LokiJS vs. OpenEdge

System Properties Comparison Coveo vs. LokiJS vs. OpenEdge

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Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenEdge  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentIn-memory JavaScript DBMSApplication development environment with integrated database management system
Primary database modelSearch engineDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.28
Rank#114  Overall
#11  Search engines
Score0.43
Rank#264  Overall
#42  Document stores
Score3.51
Rank#86  Overall
#46  Relational DBMS
Websitewww.coveo.comgithub.com/­techfort/­LokiJSwww.progress.com/­openedge
Technical documentationdocs.coveo.comtechfort.github.io/­LokiJSdocumentation.progress.com/­output/­ua/­OpenEdge_latest
DeveloperCoveoProgress Software Corporation
Initial release201220141984
Current releaseOpenEdge 12.2, March 2020
License infoCommercial or Open SourcecommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScript
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)AIX
HP-UX
Linux
Solaris
Windows
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.nonoyes
Secondary indexesyesyes infovia viewsyes
SQL infoSupport of SQLnonoyes infoclose to SQL 92
APIs and other access methodsRESTful HTTP APIJavaScript APIJDBC
ODBC
Supported programming languagesC#
Java
JavaScript
Python
JavaScriptProgress proprietary ABL (Advanced Business Language)
Server-side scripts infoStored proceduresnoView functions in JavaScriptyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesyesnonehorizontal partitioning infosince Version 11.4
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes 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.yesno
User concepts infoAccess controlgranular access controls, API key management, content filtersnoUsers and groups

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More resources
CoveoLokiJSOpenEdge
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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