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DBMS > atoti vs. FatDB vs. SQL.JS

System Properties Comparison atoti vs. FatDB vs. SQL.JS

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Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonFatDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.A .NET NoSQL DBMS that can integrate with and extend SQL Server.Port of SQLite to JavaScript
Primary database modelObject oriented DBMSDocument store
Key-value store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.34
Rank#262  Overall
#14  Object oriented DBMS
Score1.16
Rank#162  Overall
#79  Relational DBMS
Websitewww.atoti.iosql.js.org
Technical documentationsql.js.org/­documentation/­index.html
DeveloperActiveViamFatCloudAlon Zakai infoenhancements implemented by others
Initial release20122012
License infoCommercial or Open Sourcecommercial infofree versions availablecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC#JavaScript
Server operating systemsWindowsserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyes
Typing infopredefined data types such as float or dateyesyes
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.no
Secondary indexesyes
SQL infoSupport of SQLMultidimensional Expressions (MDX)no infoVia inetgration in SQL Serveryes infoSQL-92 is not fully supported
APIs and other access methods.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
JavaScript API
Supported programming languagesC#JavaScript
Server-side scripts infoStored proceduresPythonyes infovia applicationsno
Triggersyes infovia applicationsno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
none
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlno infoCan implement custom security layer via applicationsno

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More resources
atotiFatDBSQL.JS
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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