DB-EngineseXtremeDB: embedded, distributed, client/server databaseEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > AlaSQL vs. EJDB vs. EXASOL vs. Firebase Realtime Database vs. LokiJS

System Properties Comparison AlaSQL vs. EJDB vs. EXASOL vs. Firebase Realtime Database vs. LokiJS

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonEJDB  Xexclude from comparisonEXASOL  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionJavaScript DBMS libraryEmbeddable document-store database library with JSON representation of queries (in MongoDB style)High-performance, in-memory, MPP database specifically designed for in-memory analytics.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.In-memory JavaScript DBMS
Primary database modelDocument store
Relational DBMS
Document storeRelational DBMSDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.55
Rank#213  Overall
#31  Document stores
#101  Relational DBMS
Score0.23
Rank#265  Overall
#35  Document stores
Score3.09
Rank#92  Overall
#45  Relational DBMS
Score15.11
Rank#36  Overall
#6  Document stores
Score0.51
Rank#218  Overall
#32  Document stores
Websitealasql.orgejdb.orgwww.exasol.com/­en/­productsfirebase.google.com/­products/­realtime-databasegithub.com/­techfort/­LokiJS
Technical documentationgithub.com/­agershun/­alasqlgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdwww.exasol.com/­en/­community/­resourcesfirebase.google.com/­docs/­databasetechfort.github.io/­LokiJS
DeveloperAndrey Gershun & Mathias R. WulffSoftmotionsExasolGoogle infoacquired by Google 2014
Initial release20142012200020122014
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoGPLv2commercialcommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptCJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)server-lesshostedserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or datenoyes infostring, integer, double, bool, date, object_idyesyesno
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
Secondary indexesnonoyesyesyes infovia views
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyesnono
APIs and other access methodsJavaScript APIin-process shared library.Net
JDBC
ODBC
WebSocket
Android
iOS
JavaScript API
RESTful HTTP API
JavaScript API
Supported programming languagesJavaScriptActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Java
Lua
Python
R
Java
JavaScript
Objective-C
JavaScript
Server-side scripts infoStored proceduresnonouser defined functionslimited functionality with using 'rules'View functions in JavaScript
TriggersyesnoyesCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoHadoop integrationnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
none
Foreign keys infoReferential integrityyesno infotypically not needed, however similar functionality with collection joins possibleyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoACIDyesno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnonoAccess rights for users, groups and roles according to SQL-standardyes, based on authentication and database rulesno

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
AlaSQLEJDBEXASOLFirebase Realtime DatabaseLokiJS
DB-Engines blog posts

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

show all

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

show all

Recent citations in the news

Meet AlaSQL, a speedy SQL database for JavaScript
15 January 2019, JAXenter

Introduction to Apache Spark: Big Data Analytics Simplified
4 September 2018, Business 2 Community

provided by Google News

Portraying breast cancers with long noncoding RNAs
2 September 2016, Science Advances

provided by Google News

Exasol launches Exasol V7 to enhance organizations' use of data
9 July 2020, Help Net Security

Exasol provides push from data-passive to data-passion
9 July 2020, ComputerWeekly.com

Latest Tech Product Launches in AI, Big Data, Cloud and More: Week of July 6, 2020
9 July 2020, Toolbox

Exasol Announces Partnership With TEKsystems Global Services
2 July 2020, Business Wire

Analytics firm Exasol understands the power of data in today's business landscape
29 June 2020, EuropeanCEO

provided by Google News

Firebase URL 'leaked technical information on Babylon's GP at Hand'
19 June 2020, Digital Health

Introduction to the Firebase Database
9 March 2020, Database Journal

Over 4000 Android Apps Expose Users' Data via Misconfigured Firebase Databases
12 May 2020, Internet

Exposed Firebase databases hidden by Google search
2 December 2019, TechTarget

New York’s SHIELD Act Is A Big Hurdle for Mobile App Developers
1 July 2020, Grit Daily

provided by Google News

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

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

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

The world is swimming in open source, but only one company is making any money
8 July 2016, TechRepublic

provided by Google News

Job opportunities

Database Support Engineer
Exasol, United States

Database Administrator
Trilliant, Cary, NC

Technical Trainer
Exasol, United States

Enterprise Sales Manager US
Exasol, United States

Linux Support Engineer
Exasol, United States

Data Engineering Intern
decormatters, Milpitas, CA

Technology Associate
MGA, Elmsford, NY

Technology Associate
Metropolitan Golf Association, Elmsford, NY

Android Developer
Prevail Health Solutions, Chicago, IL

Programmer : 01-10677
Ann Enterprises, Inc. (dba AnnSolutions.com), Long Island City, NY

jobs by Indeed




Share this page

Featured Products

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Datastax Astra logo

Cassandra made easy in the cloud. Build cloud-native applications faster with CQL, REST and GraphQL APIs.
Try for Free.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Present your product here