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DBMS > Blueflood vs. LokiJS vs. PouchDB vs. SQL.JS

System Properties Comparison Blueflood vs. LokiJS vs. PouchDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraIn-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDBPort of SQLite to JavaScript
Primary database modelTime Series DBMSDocument storeDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#353  Overall
#34  Time Series DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score2.28
Rank#115  Overall
#21  Document stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websiteblueflood.iogithub.com/­techfort/­LokiJSpouchdb.comsql.js.org
Technical documentationgithub.com/­rax-maas/­blueflood/­wikitechfort.github.io/­LokiJSpouchdb.com/­guidessql.js.org/­documentation/­index.html
DeveloperRackspaceApache Software FoundationAlon Zakai infoenhancements implemented by others
Initial release2013201420122012
Current release7.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptJavaScriptJavaScript
Server operating systemsLinux
OS X
server-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)
Data schemepredefined schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnonoyes
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 indexesnoyes infovia viewsyes infovia views
SQL infoSupport of SQLnononoyes infoSQL-92 is not fully supported
APIs and other access methodsHTTP RESTJavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
JavaScript API
Supported programming languagesJavaScriptJavaScriptJavaScript
Server-side scripts infoStored proceduresnoView functions in JavaScriptView functions in JavaScriptno
Triggersnoyesyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneSharding infowith a proxy-based framework, named couchdb-loungenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
noneEventual Consistencynone
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possiblenoACID
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.yes infoby using IndexedDB, WebSQL or LevelDB as backendno 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.noyesyesyes
User concepts infoAccess controlnononono

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More resources
BluefloodLokiJSPouchDBSQL.JS
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