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DBMS > Impala vs. LokiJS

System Properties Comparison Impala vs. LokiJS

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Editorial information provided by DB-Engines
NameImpala  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionAnalytic DBMS for HadoopIn-memory JavaScript DBMS
Primary database modelRelational DBMSDocument store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score14.57
Rank#37  Overall
#23  Relational DBMS
Score0.33
Rank#231  Overall
#32  Document stores
Websitewww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmllokijs.org
Technical documentationwww.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmllokijs.org/­#/­docs
DeveloperCloudera
Initial release20132014
Current release3.3.0, August 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScript
Server operating systemsLinuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesno
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.nono
Secondary indexesyesyes infovia views
SQL infoSupport of SQLSQL-like DML and DDL statementsno
APIs and other access methodsJDBC
ODBC
JavaScript API
Supported programming languagesAll languages supporting JDBC/ODBCJavaScript
Server-side scripts infoStored proceduresyes infouser defined functions and integration of map-reduceView functions in JavaScript
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoquery execution via MapReduceyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistencynone
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayes
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.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosno

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More resources
ImpalaLokiJS
DB-Engines blog posts

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

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Recent citations in the news

Cloudera Boosts Hadoop App Development On Impala
10 November 2014, InformationWeek

Cloudera's a data warehouse player now
28 August 2018, ZDNet

Cloudera says Impala is faster than Hive, which isn't saying much
13 January 2014, GigaOM

Cloudera’s Impala brings Hadoop to SQL and BI
25 October 2012, ZDNet

Apache Impala gets top-level status as open source Hadoop tool
1 December 2017, TechTarget

provided by Google News

LokiJS 1.4 Release Brings Performance Improvement, NativeScript Adapter
12 July 2016, InfoQ.com

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

provided by Google News

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