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DBMS > Amazon CloudSearch vs. Amazon DynamoDB vs. OpenMLDB vs. PlanetScale vs. SQLite

System Properties Comparison Amazon CloudSearch vs. Amazon DynamoDB vs. OpenMLDB vs. PlanetScale vs. SQLite

Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonAmazon DynamoDB  Xexclude from comparisonOpenMLDB  Xexclude from comparisonPlanetScale  Xexclude from comparisonSQLite  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudHosted, scalable database service by Amazon with the data stored in Amazons cloudAn open-source machine learning database that provides a feature platform for training and inferenceScalable, distributed, serverless MySQL database platform built on top of VitessWidely used embeddable, in-process RDBMS
Primary database modelSearch engineDocument store
Key-value store
Time Series DBMSRelational DBMSRelational DBMS
Secondary database modelsRelational DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.86
Rank#133  Overall
#12  Search engines
Score70.06
Rank#17  Overall
#3  Document stores
#2  Key-value stores
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score1.09
Rank#178  Overall
#82  Relational DBMS
Score103.35
Rank#10  Overall
#7  Relational DBMS
Websiteaws.amazon.com/­cloudsearchaws.amazon.com/­dynamodbopenmldb.aiplanetscale.comwww.sqlite.org
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.aws.amazon.com/­dynamodbopenmldb.ai/­docs/­zh/­mainplanetscale.com/­docswww.sqlite.org/­docs.html
DeveloperAmazonAmazon4 Paradigm Inc.PlanetScaleDwayne Richard Hipp
Initial release20122012202020202000
Current release2024-2 February 20243.46.1  (13 August 2024), August 2024
License infoCommercial or Open Sourcecommercialcommercial infofree tier for a limited amount of database operationsOpen SourcecommercialOpen Source infoPublic Domain
Cloud-based only infoOnly available as a cloud serviceyesyesnoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++, Java, ScalaGoC
Server operating systemshostedhostedLinuxDocker
Linux
macOS
server-less
Data schemeyesschema-freeFixed schemayesyes infodynamic column types
Typing infopredefined data types such as float or dateyesyesyesyesyes infonot rigid because of 'dynamic typing' concept.
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.nono
Secondary indexesyes infoall search fields are automatically indexedyesyesyesyes
SQL infoSupport of SQLnonoyesyes infowith proprietary extensionsyes infoSQL-92 is not fully supported
APIs and other access methodsHTTP APIRESTful HTTP APIJDBC
SQLAlchemy
ADO.NET
JDBC
MySQL protocol
ODBC
ADO.NET infoinofficial driver
JDBC infoinofficial driver
ODBC infoinofficial driver
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
C++
Go
Java
Python
Scala
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
Actionscript
Ada
Basic
C
C#
C++
D
Delphi
Forth
Fortran
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
R
Ruby
Scala
Scheme
Smalltalk
Tcl
Server-side scripts infoStored proceduresnononoyes infoproprietary syntaxno
Triggersnoyes infoby integration with AWS Lambdanoyesyes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredShardinghorizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyesSource-replica replicationMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)nono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyEventual Consistency across shards
Immediate Consistency within a shard
Foreign keys infoReferential integritynononoyes infonot for MyISAM storage engineyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infoACID across one or more tables within a single AWS account and regionnoACID at shard levelACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infotable locks or row locks depending on storage engineyes infovia file-system locks
Durability infoSupport for making data persistentyesyesyesyesyes
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 and roles can be defined via the AWS Identity and Access Management (IAM)fine grained access rights according to SQL-standardUsers with fine-grained authorization concept infono user groups or rolesno

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Amazon CloudSearchAmazon DynamoDBOpenMLDBPlanetScaleSQLite
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