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DBMS > 4D vs. Amazon DocumentDB vs. Cloudflare Workers KV vs. Machbase Neo vs. Realm

System Properties Comparison 4D vs. Amazon DocumentDB vs. Cloudflare Workers KV vs. Machbase Neo vs. Realm

Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonAmazon DocumentDB  Xexclude from comparisonCloudflare Workers KV  Xexclude from comparisonMachbase Neo infoFormer name was Infiniflux  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemFast, scalable, highly available, and fully managed MongoDB-compatible database serviceA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.TimeSeries DBMS for AIoT and BigDataA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelRelational DBMSDocument storeKey-value storeTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.47
Rank#110  Overall
#54  Relational DBMS
Score1.91
Rank#131  Overall
#24  Document stores
Score0.39
Rank#274  Overall
#39  Key-value stores
Score0.17
Rank#337  Overall
#30  Time Series DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Websitewww.4d.comaws.amazon.com/­documentdbwww.cloudflare.com/­developer-platform/­workers-kvmachbase.comrealm.io
Technical documentationdeveloper.4d.comaws.amazon.com/­documentdb/­resourcesdevelopers.cloudflare.com/­kv/­apimachbase.com/­dbmsrealm.io/­docs
Developer4D, IncCloudflareMachbaseRealm, acquired by MongoDB in May 2019
Initial release19842019201820132014
Current releasev20, April 2023V8.0, August 2023
License infoCommercial or Open Sourcecommercialcommercialcommercialcommercial infofree test version availableOpen Source
Cloud-based only infoOnly available as a cloud servicenoyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC
Server operating systemsOS X
Windows
hostedhostedLinux
macOS
Windows
Android
Backend: server-less
iOS
Windows
Data schemeyesschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesnoyesyes
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.yesnononono
Secondary indexesyesyesnoyesyes
SQL infoSupport of SQLyes infoclose to SQL 92nonoSQL-like query languageno
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
proprietary protocol using JSON (MongoDB compatible)HTTP REST
Proprietary protocol
gRPC
HTTP REST
JDBC
MQTT (Message Queue Telemetry Transport)
ODBC
Supported programming languages4D proprietary IDE
PHP
Go
Java
JavaScript (Node.js)
PHP
Python
C
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
C
C#
C++
Go
Java
JavaScript
PHP infovia ODBC
Python
R infovia ODBC
Scala
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresyesnononono inforuns within the applications so server-side scripts are unnecessary
Triggersyesnononoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationMulti-availability zones for high availability, asynchronous replication for up to 15 read replicasyesselectable replication factornone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)nonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno infotypically not used, however similar functionality with DBRef possiblenonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic single-document operationsnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesnoyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infovolatile and lookup tableyes infoIn-Memory realm
User concepts infoAccess controlUsers and groupsAccess rights for users and rolessimple password-based access controlyes

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More resources
4D infoformer name: 4th DimensionAmazon DocumentDBCloudflare Workers KVMachbase Neo infoFormer name was InfinifluxRealm
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