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DBMS > AlaSQL vs. IBM Cloudant vs. SiteWhere vs. YTsaurus

System Properties Comparison AlaSQL vs. IBM Cloudant vs. SiteWhere vs. YTsaurus

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonSiteWhere  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionJavaScript DBMS libraryDatabase as a Service offering based on Apache CouchDBM2M integration platform for persisting/querying time series dataYTsaurus is an open source platform for distributed storage and processing.
Primary database modelDocument store
Relational DBMS
Document storeTime Series DBMSDocument store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score2.75
Rank#104  Overall
#19  Document stores
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Score0.21
Rank#324  Overall
#45  Document stores
#48  Key-value stores
Websitealasql.orgwww.ibm.com/­products/­cloudantgithub.com/­sitewhere/­sitewhereytsaurus.tech
Technical documentationgithub.com/­AlaSQL/­alasqlcloud.ibm.com/­docs/­Cloudantsitewhere1.sitewhere.io/­index.htmlytsaurus.tech/­docs/­en
DeveloperAndrey Gershun & Mathias R. WulffIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014SiteWhereYandex
Initial release2014201020102023
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen Source infoCommon Public Attribution License Version 1.0Open Source infoApache License, Version 2.0
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptErlangJavaC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedLinux
OS X
Windows
Ubuntu
Data schemeschema-freeschema-freepredefined scheme
Typing infopredefined data types such as float or datenonoyesyes
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 indexesnoyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nonoYQL, an SQL-based language, is supported
APIs and other access methodsJavaScript APIRESTful HTTP/JSON APIHTTP REST
Supported programming languagesJavaScriptC#
Java
JavaScript
Objective-C
PHP
Ruby
C++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresnoView functions (Map-Reduce) in JavaScript
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
selectable replication factor infobased on HBaseyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageno infoatomic operations within a document possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlnoAccess rights for users can be defined per databaseUsers with fine-grained authorization conceptAccess Control Lists

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More resources
AlaSQLIBM CloudantSiteWhereYTsaurus
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