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DBMS > 4D vs. AlaSQL vs. Amazon DynamoDB

System Properties Comparison 4D vs. AlaSQL vs. Amazon DynamoDB

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonAlaSQL  Xexclude from comparisonAmazon DynamoDB  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemJavaScript DBMS libraryHosted, scalable database service by Amazon with the data stored in Amazons cloud
Primary database modelRelational DBMSDocument store
Relational DBMS
Document store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.89
Rank#122  Overall
#59  Relational DBMS
Score0.35
Rank#266  Overall
#41  Document stores
#122  Relational DBMS
Score76.49
Rank#15  Overall
#3  Document stores
#2  Key-value stores
Websitewww.4d.comalasql.orgaws.amazon.com/­dynamodb
Technical documentationdeveloper.4d.comgithub.com/­AlaSQL/­alasqldocs.aws.amazon.com/­dynamodb
Developer4D, IncAndrey Gershun & Mathias R. WulffAmazon
Initial release198420142012
Current releasev20, April 2023
License infoCommercial or Open SourcecommercialOpen Source infoMIT-Licensecommercial infofree tier for a limited amount of database operations
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScript
Server operating systemsOS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)hosted
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyes
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.yesno
Secondary indexesyesnoyes
SQL infoSupport of SQLyes infoclose to SQL 92Close to SQL99, but no user access control, stored procedures and host language bindings.no
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JavaScript APIRESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
JavaScript.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesnono
Triggersyesyesyes infoby integration with AWS Lambda
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual Consistency
Immediate Consistency infocan be specified for read operations
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infoonly for local storage and DOM-storageACID infoACID across one or more tables within a single AWS account and region
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlUsers and groupsnoAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)

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More resources
4D infoformer name: 4th DimensionAlaSQLAmazon DynamoDB
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