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DBMS > LokiJS vs. PostgreSQL vs. Prometheus

System Properties Comparison LokiJS vs. PostgreSQL vs. Prometheus

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonPostgreSQL  Xexclude from comparisonPrometheus  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLOpen-source TimeSeries DBMS and monitoring system
Primary database modelDocument storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Time Series DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.48
Rank#223  Overall
#32  Document stores
Score536.77
Rank#4  Overall
#4  Relational DBMS
Score5.36
Rank#69  Overall
#3  Time Series DBMS
Websitegithub.com/­techfort/­LokiJSwww.postgresql.orgprometheus.io
Technical documentationtechfort.github.io/­LokiJSwww.postgresql.org/­docs/­manualsprometheus.io/­docs
DeveloperPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release20141989 info1989: Postgres, 1996: PostgreSQL2015
Current release12.3, May 2020
License infoCommercial or Open SourceOpen SourceOpen Source infoBSDOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
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Implementation languageJavaScriptCGo
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Linux
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenoyesNumeric 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.noyes infospecific XML-type available, but no XML query functionality.no infoImport of XML data possible
Secondary indexesyes infovia viewsyesno
SQL infoSupport of SQLnoyes infostandard with numerous extensionsno
APIs and other access methodsJavaScript APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
RESTful HTTP/JSON API
Supported programming languagesJavaScript.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresView functions in JavaScriptuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.no
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnonepartitioning by range, list and (since PostgreSQL 11) by hashSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replication infoother methods possible by using 3rd party extensionsyes infoby Federation
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistencynone
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possibleACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
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.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlnofine grained access rights according to SQL-standardno

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More resources
LokiJSPostgreSQLPrometheus
DB-Engines blog posts

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

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PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

PostgreSQL is the DBMS of the Year 2017
2 January 2018, Paul Andlinger, Matthias Gelbmann

Microsoft SQL Server is the DBMS of the Year
4 January 2017, Matthias Gelbmann, Paul Andlinger

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Conferences and events

PostgreSQL Online Trainings
Online Training Courses, 4 May 2020 - 11 December 2020

Recent citations in the news

Fast, Lightweight Data Storage for Cordova Apps with LokiJS
26 January 2016, SitePoint

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

LinkedIn open-sources URL-Detector Java library, LokiJS 1.4, and Bulgaria's new open-source law—SD Times news digest: July 5, 2016
5 July 2016, SDTimes.com

NativeScript 6 Goes Webpack All The Way
22 July 2019, iProgrammer

AspectJS 2.0 Released
1 May 2015, iProgrammer

provided by Google News

Swarm64 and Command Prompt Partner to Expand Open Source PostgreSQL Support
10 August 2020, Database Trends and Applications

Migrating from SAP ASE to Amazon Aurora PostgreSQL
11 August 2020, idk.dev

Crunchy Certified PostgreSQL 12 Achieves In Evaluation Status for Common Criteria Certification
21 July 2020, PRNewswire

EDB Growth Accelerates With 65 Percent Increase in Subscription Revenue; 4300 Registrations for Postgres Vision
31 July 2020, Business Wire

Using logical replication to replicate managed Amazon RDS for PostgreSQL and Amazon Aurora to self-managed PostgreSQL
29 July 2020, idk.dev

provided by Google News

Time Series Databases Software Market By Top Key Players: InfluxData, Trendalyze, Amazon Timestream, DataStax, Prometheus, QuasarDB, Warp 10, InfluxDB
9 August 2020, Chelanpress

Timescale Brings Powerful Time-Series Data Analysis to Developers Worldwide, Now Available in 75+ Cloud Regions
12 August 2020, Business Wire

Monitor and Optimize Analytic Workloads on Amazon EMR with Prometheus and Grafana
10 August 2020, idk.dev

Prometheus 2.20 gets better at service discovery, hits WAL by default
28 July 2020, DevClass

How New Relic Went Beyond APM To Become A Modern Observability Platform
6 August 2020, Forbes

provided by Google News

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