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DBMS > H2GIS vs. PouchDB vs. SQL.JS vs. Tkrzw

System Properties Comparison H2GIS vs. PouchDB vs. SQL.JS vs. Tkrzw

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonPouchDB  Xexclude from comparisonSQL.JS  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionSpatial extension of H2JavaScript DBMS with an API inspired by CouchDBPort of SQLite to JavaScriptA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelSpatial DBMSDocument storeRelational DBMSKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score2.28
Rank#115  Overall
#21  Document stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Score0.00
Rank#383  Overall
#60  Key-value stores
Websitewww.h2gis.orgpouchdb.comsql.js.orgdbmx.net/­tkrzw
Technical documentationwww.h2gis.org/­docs/­homepouchdb.com/­guidessql.js.org/­documentation/­index.html
DeveloperCNRSApache Software FoundationAlon Zakai infoenhancements implemented by othersMikio Hirabayashi
Initial release2013201220122020
Current release7.1.1, June 20190.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open SourceOpen SourceOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptJavaScriptC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
Data schemeyesschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesnoyesno
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 indexesyesyes infovia views
SQL infoSupport of SQLyesnoyes infoSQL-92 is not fully supportedno
APIs and other access methodsHTTP REST infoonly for PouchDB Server
JavaScript API
JavaScript API
Supported programming languagesJavaJavaScriptJavaScriptC++
Java
Python
Ruby
Server-side scripts infoStored proceduresyes infobased on H2View functions in JavaScriptnono
Triggersyesyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infowith a proxy-based framework, named couchdb-loungenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2Multi-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
nonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, WebSQL or LevelDB as backendno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes infousing specific database classes
User concepts infoAccess controlyes infobased on H2nonono

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More resources
H2GISPouchDBSQL.JSTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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