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DBMS > Ehcache vs. PouchDB vs. SQL.JS

System Properties Comparison Ehcache vs. PouchDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonPouchDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsJavaScript DBMS with an API inspired by CouchDBPort of SQLite to JavaScript
Primary database modelKey-value storeDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.64
Rank#68  Overall
#8  Key-value stores
Score2.34
Rank#112  Overall
#21  Document stores
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitewww.ehcache.orgpouchdb.comsql.js.org
Technical documentationwww.ehcache.org/­documentationpouchdb.com/­guidessql.js.org/­documentation/­index.html
DeveloperTerracotta Inc, owned by Software AGApache Software FoundationAlon Zakai infoenhancements implemented by others
Initial release200920122012
Current release3.10.0, March 20227.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptJavaScript
Server operating systemsAll OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.nonono
Secondary indexesnoyes infovia views
SQL infoSupport of SQLnonoyes infoSQL-92 is not fully supported
APIs and other access methodsJCacheHTTP REST infoonly for PouchDB Server
JavaScript API
JavaScript API
Supported programming languagesJavaJavaScriptJavaScript
Server-side scripts infoStored proceduresnoView functions in JavaScriptno
Triggersyes infoCache Event Listenersyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta ServerSharding infowith a proxy-based framework, named couchdb-loungenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta ServerMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Eventual Consistencynone
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourcenoACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyes 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.yesyesyes
User concepts infoAccess controlnonono

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More resources
EhcachePouchDBSQL.JS
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