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DBMS > Amazon CloudSearch vs. Lovefield vs. Microsoft SQL Server

System Properties Comparison Amazon CloudSearch vs. Lovefield vs. Microsoft SQL Server

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonLovefield  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudEmbeddable relational database for web apps written in pure JavaScriptMicrosofts relational DBMS
Primary database modelSearch engineRelational DBMSRelational DBMS
Secondary database modelsDocument store
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.06
Rank#86  Overall
#9  Search engines
Score0.28
Rank#242  Overall
#114  Relational DBMS
Score1098.55
Rank#3  Overall
#3  Relational DBMS
Websiteaws.amazon.com/­cloudsearchgoogle.github.io/­lovefieldwww.microsoft.com/­en-us/­sql-server
Technical documentationdocs.aws.amazon.com/­cloudsearchgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mddocs.microsoft.com/­en-ie/­sql/­sql-server/­sql-server-technical-documentation
DeveloperAmazonGoogleMicrosoft
Initial release201220141989
Current release2.1.12, February 2017SQL Server 2019, November 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptC++
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
Windows
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.noyes
Secondary indexesyes infoall search fields are automatically indexedyesyes
SQL infoSupport of SQLnoSQL-like query language infovia JavaScript builder patternyes
APIs and other access methodsHTTP APIADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languagesJavaScriptC#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Server-side scripts infoStored proceduresnonoTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Java
TriggersnoUsing read-only observersyes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requirednonetables can be distributed across several files (horizontal partitioning); sharding through federation
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSnoneyes, but depending on the SQL-Server Edition
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing MemoryDByes
User concepts infoAccess controlauthentication via encrypted signaturesnofine grained access rights according to SQL-standard

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More resources
Amazon CloudSearchLovefieldMicrosoft SQL Server
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Recent citations in the news

Amazon CloudSearch: Just What You Were Looking For?
11 September 2016, Wired News

Is Amazon CloudSearch superior to do-it-yourself search tools?
24 January 2014, TechTarget

Use Amazon CloudSearch to build search indexes
25 July 2014, TechTarget

Enterprise Semantic Search Software Market Size Growth Forecast 2020 to 2025
15 January 2020, News by aeresearch

Enterprise Search Software Market 2020 Share, Size, Future
23 January 2020, openPR

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Lovefield: An SQL-like Query Engine by Google
18 November 2014, InfoQ.com

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7 October 2015, SitePoint

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21 January 2020, Yahoo Finance

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