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DBMS > Amazon CloudSearch vs. EXASOL vs. LokiJS vs. OrigoDB

System Properties Comparison Amazon CloudSearch vs. EXASOL vs. LokiJS vs. OrigoDB

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonEXASOL  Xexclude from comparisonLokiJS  Xexclude from comparisonOrigoDB  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.In-memory JavaScript DBMSA fully ACID in-memory object graph database
Primary database modelSearch engineRelational DBMSDocument storeDocument store
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.86
Rank#133  Overall
#12  Search engines
Score1.66
Rank#138  Overall
#64  Relational DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score0.00
Rank#385  Overall
#54  Document stores
#21  Object oriented DBMS
Websiteaws.amazon.com/­cloudsearchwww.exasol.comgithub.com/­techfort/­LokiJSorigodb.com
Technical documentationdocs.aws.amazon.com/­cloudsearchwww.exasol.com/­resourcestechfort.github.io/­LokiJSorigodb.com/­docs
DeveloperAmazonExasolRobert Friberg et al
Initial release2012200020142009 infounder the name LiveDB
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC#
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
Data schemeyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesnoUser defined using .NET types and collections
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 infocan be achieved using .NET
Secondary indexesyes infoall search fields are automatically indexedyesyes infovia viewsyes
SQL infoSupport of SQLnoyesnono
APIs and other access methodsHTTP API.Net
JDBC
ODBC
WebSocket
JavaScript API.NET Client API
HTTP API
LINQ
Supported programming languagesJava
Lua
Python
R
JavaScript.Net
Server-side scripts infoStored proceduresnouser defined functionsView functions in JavaScriptyes
Triggersnoyesyesyes infoDomain Events
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredShardingnonehorizontal partitioning infoclient side managed; servers are not synchronized
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integritynoyesnodepending on model
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yes infoWrite ahead log
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlauthentication via encrypted signaturesAccess rights for users, groups and roles according to SQL-standardnoRole based authorization

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More resources
Amazon CloudSearchEXASOLLokiJSOrigoDB
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