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DBMS > Amazon CloudSearch vs. BoltDB vs. Coveo vs. OpenMLDB

System Properties Comparison Amazon CloudSearch vs. BoltDB vs. Coveo vs. OpenMLDB

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonBoltDB  Xexclude from comparisonCoveo  Xexclude from comparisonOpenMLDB  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudAn embedded key-value store for Go.AI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentAn open-source machine learning database that provides a feature platform for training and inference
Primary database modelSearch engineKey-value storeSearch engineTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.86
Rank#133  Overall
#12  Search engines
Score0.70
Rank#225  Overall
#31  Key-value stores
Score2.14
Rank#116  Overall
#11  Search engines
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Websiteaws.amazon.com/­cloudsearchgithub.com/­boltdb/­boltwww.coveo.comopenmldb.ai
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.coveo.comopenmldb.ai/­docs/­zh/­main
DeveloperAmazonCoveo4 Paradigm Inc.
Initial release2012201320122020
Current release2024-2 February 2024
License infoCommercial or Open SourcecommercialOpen Source infoMIT LicensecommercialOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++, Java, Scala
Server operating systemshostedBSD
Linux
OS X
Solaris
Windows
hostedLinux
Data schemeyesschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationFixed schema
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyes infoall search fields are automatically indexednoyesyes
SQL infoSupport of SQLnononoyes
APIs and other access methodsHTTP APIRESTful HTTP APIJDBC
SQLAlchemy
Supported programming languagesGoC#
Java
JavaScript
Python
C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresnononono
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requirednoneyeshorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSnoneyesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesyesno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlauthentication via encrypted signaturesnogranular access controls, API key management, content filtersfine grained access rights according to SQL-standard

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More resources
Amazon CloudSearchBoltDBCoveoOpenMLDB
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