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DBMS > LokiJS vs. NSDb vs. Prometheus vs. Sequoiadb

System Properties Comparison LokiJS vs. NSDb vs. Prometheus vs. Sequoiadb

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonNSDb  Xexclude from comparisonPrometheus  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesOpen-source Time Series DBMS and monitoring systemNewSQL database with distributed OLTP and SQL
Primary database modelDocument storeTime Series DBMSTime Series DBMSDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#256  Overall
#40  Document stores
Score0.00
Rank#385  Overall
#40  Time Series DBMS
Score7.56
Rank#49  Overall
#3  Time Series DBMS
Score0.42
Rank#263  Overall
#41  Document stores
#121  Relational DBMS
Websitegithub.com/­techfort/­LokiJSnsdb.ioprometheus.iowww.sequoiadb.com
Technical documentationtechfort.github.io/­LokiJSnsdb.io/­Architectureprometheus.io/­docswww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperSequoiadb Ltd.
Initial release2014201720152013
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2.0Open Source infoApache 2.0Open Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJava, ScalaGoC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
Linux
Windows
Linux
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyes: int, bigint, decimal, stringNumeric data onlyyes infooid, date, timestamp, binary, regex
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.nonono infoImport of XML data possibleno
Secondary indexesyes infovia viewsall fields are automatically indexednoyes
SQL infoSupport of SQLnoSQL-like query languagenoSQL-like query language
APIs and other access methodsJavaScript APIgRPC
HTTP REST
WebSocket
RESTful HTTP/JSON APIproprietary protocol using JSON
Supported programming languagesJavaScriptJava
Scala
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresView functions in JavaScriptnonoJavaScript
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoby FederationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencynoneEventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possiblenonoDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.Using Apache Luceneyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlnonosimple password-based access control

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More resources
LokiJSNSDbPrometheusSequoiadb
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

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