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DBMS > AlaSQL vs. JSqlDb vs. LokiJS vs. Prometheus

System Properties Comparison AlaSQL vs. JSqlDb vs. LokiJS vs. Prometheus

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonJSqlDb  Xexclude from comparisonLokiJS  Xexclude from comparisonPrometheus  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionJavaScript DBMS libraryJavaScript Query Language Database, stores JavaScript objects and primitivesIn-memory JavaScript DBMSOpen-source Time Series DBMS and monitoring system
Primary database modelDocument store
Relational DBMS
Document store
Object oriented DBMS
Document storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.42
Rank#264  Overall
#42  Document stores
#122  Relational DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score7.56
Rank#49  Overall
#3  Time Series DBMS
Websitealasql.orgjsqldb.org (offline)github.com/­techfort/­LokiJSprometheus.io
Technical documentationgithub.com/­AlaSQL/­alasqltechfort.github.io/­LokiJSprometheus.io/­docs
DeveloperAndrey Gershun & Mathias R. WulffKonrad von Backstrom
Initial release2014201820142015
Current release0.8, December 2018
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen SourceOpen SourceOpen Source infoApache 2.0
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 languageJavaScriptJavaScriptGo
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenononoNumeric data only
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.nononono infoImport of XML data possible
Secondary indexesnonoyes infovia viewsno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nonono
APIs and other access methodsJavaScript APIJavaScript APIRESTful HTTP/JSON API
Supported programming languagesJavaScriptJavaScriptJavaScript.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresnofunctions in JavaScriptView functions in JavaScriptno
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenoneyes infoby Federation
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnonenonenone
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageno infoatomic operations within a single collection possibleno
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes infousing RocksDByes 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.yesyesno
User concepts infoAccess controlnonono

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More resources
AlaSQLJSqlDbLokiJSPrometheus
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