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DBMS > AlaSQL vs. IBM Cloudant vs. STSdb

System Properties Comparison AlaSQL vs. IBM Cloudant vs. STSdb

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionJavaScript DBMS libraryDatabase as a Service offering based on Apache CouchDBKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelDocument store
Relational DBMS
Document storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.49
Rank#259  Overall
#40  Document stores
#120  Relational DBMS
Score2.73
Rank#108  Overall
#20  Document stores
Score0.06
Rank#365  Overall
#55  Key-value stores
Websitealasql.orgwww.ibm.com/­products/­cloudantgithub.com/­STSSoft/­STSdb4
Technical documentationgithub.com/­AlaSQL/­alasqlcloud.ibm.com/­docs/­Cloudant
DeveloperAndrey Gershun & Mathias R. WulffIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014STS Soft SC
Initial release201420102011
Current release4.0.8, September 2015
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptErlangC#
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedWindows
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenonoyes infoprimitive types and user defined types (classes)
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 indexesnoyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nono
APIs and other access methodsJavaScript APIRESTful HTTP/JSON API.NET Client API
Supported programming languagesJavaScriptC#
Java
JavaScript
Objective-C
PHP
Ruby
C#
Java
Server-side scripts infoStored proceduresnoView functions (Map-Reduce) in JavaScriptno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual 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 possibleno
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnoAccess rights for users can be defined per databaseno

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More resources
AlaSQLIBM CloudantSTSdb
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