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DBMS > Coveo vs. LokiJS vs. OpenQM vs. SQL.JS vs. YugabyteDB

System Properties Comparison Coveo vs. LokiJS vs. OpenQM vs. SQL.JS vs. YugabyteDB

Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonSQL.JS  Xexclude from comparisonYugabyteDB  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentIn-memory JavaScript DBMSQpenQM is a high-performance, self-tuning, multi-value DBMSPort of SQLite to JavaScriptHigh-performance distributed SQL database for global, internet-scale applications. Wire and feature compatible with PostgreSQL.
Primary database modelSearch engineDocument storeMultivalue DBMSRelational DBMSRelational DBMS
Secondary database modelsDocument store
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.11
Rank#118  Overall
#11  Search engines
Score0.49
Rank#260  Overall
#42  Document stores
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score2.63
Rank#109  Overall
#53  Relational DBMS
Websitewww.coveo.comgithub.com/­techfort/­LokiJSwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmsql.js.orgwww.yugabyte.com
Technical documentationdocs.coveo.comtechfort.github.io/­LokiJSsql.js.org/­documentation/­index.htmldocs.yugabyte.com
github.com/­yugabyte/­yugabyte-db
DeveloperCoveoRocket Software, originally Martin PhillipsAlon Zakai infoenhancements implemented by othersYugabyte Inc.
Initial release20122014199320122017
Current release3.4-122.19, September 2023
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoGPLv2, extended commercial license availableOpen SourceOpen Source infoApache 2.0
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.
YugabyteDB Managed is the fully managed database-as-a-service offering of YugabyteDB. Get started quickly, and effortlessly ensure continuous availability and limitless scale of your cloud native applications.
Implementation languageJavaScriptJavaScriptC and C++
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeyes infowith some exceptionsyesdepending on used data model
Typing infopredefined data types such as float or dateyesnoyesyes
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.nonoyesnono
Secondary indexesyesyes infovia viewsyesyes
SQL infoSupport of SQLnononoyes infoSQL-92 is not fully supportedyes, PostgreSQL compatible
APIs and other access methodsRESTful HTTP APIJavaScript APIJavaScript APIJDBC
YCQL, an SQL-based flexible-schema API with its roots in Cassandra Query Language
YSQL - a fully relational SQL API that is wire compatible with the SQL language in PostgreSQL
Supported programming languagesC#
Java
JavaScript
Python
JavaScript.Net
Basic
C
Java
Objective C
PHP
Python
JavaScriptC
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
Scala
Server-side scripts infoStored proceduresnoView functions in JavaScriptyesnoyes infosql, plpgsql, C
Triggersyesyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodesyesnoneyesnoneHash and Range Sharding, row-level geo-partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneyesnoneBased on Raft distributed consensus protocol, minimum 3 replicas for continuous availability
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencynoneStrong consistency on writes and tunable consistency on reads
Foreign keys infoReferential integrityyesnonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno infoatomic operations within a single collection possibleACIDACIDDistributed ACID with Serializable & Snapshot Isolation. Inspired by Google Spanner architecture.
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yesno infoexcept by serializing a db to a fileyes infobased on RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlgranular access controls, API key management, content filtersnoAccess rights can be defined down to the item levelnoyes
More information provided by the system vendor
CoveoLokiJSOpenQM infoalso called QMSQL.JSYugabyteDB
Specific characteristicsYugabyteDB is an open source distributed SQL database for cloud native transactional...
» more
Competitive advantagesPostgreSQL compatible: Get instantly productive with a PostgreSQL compatible RDBMS....
» more
Typical application scenariosSystems of record and engagement for cloud native applications that require resilience,...
» more
Market metrics2 Million+ lifetime clusters deployed, 6.5K+ GitHub stars, 7K YugabyteDB Community...
» more
Licensing and pricing modelsApache 2.0 license for the database
» more

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More resources
CoveoLokiJSOpenQM infoalso called QMSQL.JSYugabyteDB
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