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DBMS > AlaSQL vs. Druid

System Properties Comparison AlaSQL vs. Druid

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonDruid  Xexclude from comparison
DescriptionJavaScript DBMS libraryOpen-source analytics data store designed for OLAP queries on timeseries data
Primary database modelDocument store
Relational DBMS
Relational DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.54
Rank#201  Overall
#27  Document stores
#97  Relational DBMS
Score1.65
Rank#119  Overall
#61  Relational DBMS
#7  Time Series DBMS
Websitealasql.orgdruid.io
Technical documentationgithub.com/­agershun/­alasqldruid.io/­docs/­latest/­design/­index.html
DeveloperAndrey Gershun & Mathias R. WulffMetamarkets Group and contributors
Initial release20142012
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache license v2
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 languageJavaScriptJava
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Unix
Data schemeschema-freeyes infoschema-less columns are supported
Typing infopredefined data types such as float or datenoyes
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 indexesnoyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL support via Apache Calcite adapter
APIs and other access methodsJavaScript APIJSON over HTTP
Supported programming languagesJavaScriptClojure
JavaScript
PHP
Python
R
Ruby
Scala
Server-side scripts infoStored proceduresnono
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, via HDFS, S3 or other storage engines
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageno
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnono infoavailable via extensions

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More resources
AlaSQLDruid
Recent citations in the news

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15 January 2019, JAXenter

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Imply launches with $2M to commercialize the Druid open-source data store
19 October 2015, VentureBeat

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24 September 2018, HPCwire

Metamarkets' Streaming Data Store Druid Now Available Under Apache License
20 February 2015, Marketwired

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4 August 2015, Datanami

provided by Google News

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