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DBMS > Amazon CloudSearch vs. H2GIS vs. LokiJS vs. Oracle Rdb vs. PostGIS

System Properties Comparison Amazon CloudSearch vs. H2GIS vs. LokiJS vs. Oracle Rdb vs. PostGIS

Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonH2GIS  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle Rdb  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudSpatial extension of H2In-memory JavaScript DBMSSpatial extension of PostgreSQL
Primary database modelSearch engineSpatial DBMSDocument storeRelational DBMSSpatial DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.85
Rank#137  Overall
#12  Search engines
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score1.08
Rank#184  Overall
#85  Relational DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websiteaws.amazon.com/­cloudsearchwww.h2gis.orggithub.com/­techfort/­LokiJSwww.oracle.com/­database/­technologies/­related/­rdb.htmlpostgis.net
Technical documentationdocs.aws.amazon.com/­cloudsearchwww.h2gis.org/­docs/­hometechfort.github.io/­LokiJSwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlpostgis.net/­documentation
DeveloperAmazonCNRSOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release20122013201419842005
Current release7.4.1.1, 20213.4.2, February 2024
License infoCommercial or Open SourcecommercialOpen Source infoLGPL 3.0Open SourcecommercialOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScriptC
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)HP Open VMS
Data schemeyesyesschema-freeFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or dateyesyesnoyesyes
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.nononoyes
Secondary indexesyes infoall search fields are automatically indexedyesyes infovia viewsyesyes
SQL infoSupport of SQLnoyesnoyesyes
APIs and other access methodsHTTP APIJavaScript API
Supported programming languagesJavaJavaScript
Server-side scripts infoStored proceduresnoyes infobased on H2View functions in JavaScriptuser defined functions
Triggersnoyesyesyes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requirednonenoneyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyes infobased on H2noneyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoatomic operations within a single collection possibleyes, on a single nodeACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnono
User concepts infoAccess controlauthentication via encrypted signaturesyes infobased on H2noyes infobased on PostgreSQL

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More resources
Amazon CloudSearchH2GISLokiJSOracle RdbPostGIS
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Recent citations in the news

Amazon CloudSearch – Start Searching in One Hour for Less Than $100 / Month | Amazon Web Services
12 April 2012, AWS Blog

Amazon CloudSearch – Even Better Searching for Less Than $100/Month | Amazon Web Services
24 March 2014, AWS Blog

Amazon Takes On Google And Microsoft With CloudSearch
16 April 2012, Forbes

AWS, Microsoft and Google should retire these cloud services
2 June 2020, TechTarget

Searching CloudTrail Logs Easily with Amazon CloudSearch | AWS Startups Blog
21 October 2014, AWS Blog

provided by Google News

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

LokiJS Reaches 1.4
8 July 2016, iProgrammer

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Oracle Adds New AI-Enabling Features To MySQL HeatWave
23 March 2023, Forbes

Should we all consolidate databases for the storage benefits? Reg vultures deploy DevOps, zoos, haircuts
18 September 2020, The Register

2013 Data Science Salary Survey – O'Reilly
4 May 2013, oreilly.com

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