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DBMS > 4D vs. Cloudflare Workers KV vs. Couchbase vs. TDengine

System Properties Comparison 4D vs. Cloudflare Workers KV vs. Couchbase vs. TDengine

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonCloudflare Workers KV  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparisonTDengine  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.A distributed document store with a powerful search engine and in-built operational and analytical capabilitiesTime Series DBMS and big data platform
Primary database modelRelational DBMSKey-value storeDocument storeTime Series DBMS
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
Spatial DBMS infousing the Geocouch extension
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.83
Rank#106  Overall
#55  Relational DBMS
Score0.18
Rank#294  Overall
#42  Key-value stores
Score28.89
Rank#30  Overall
#5  Document stores
Score0.96
Rank#179  Overall
#14  Time Series DBMS
Websitewww.4d.comwww.cloudflare.com/­products/­workers-kvwww.couchbase.comgithub.com/­taosdata/­TDengine
tdengine.com
Technical documentationlivedoc.4d.comdevelopers.cloudflare.com/­workers/­runtime-apis/­kvdocs.couchbase.comwww.taosdata.com/­en/­documentation
Developer4D, IncCloudflareCouchbase, Inc.Taos Data
Initial release1984201820112019
Current releasev18 R5, January 2021Server: 7.0, July 2021; Mobile: 3, February 2022; Couchbase Capella, October 2021
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache version 2; Commercial licenses also availableOpen Source infoGPL V3, also commercial editions available
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Couchbase Capella: a fully managed database-as-a-service that eliminates database management efforts and reduces cost
Implementation languageC, C++, Go and ErlangC
Server operating systemsOS X
Windows
hostedLinux
OS X
Windows
Linux
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes infoString, Boolean, Numberyes
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.yesnono
Secondary indexesyesnoyesno
SQL infoSupport of SQLyes infoclose to SQL 92noDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.SQL-like query language
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
HTTP REST
Proprietary protocol
Native language bindings for CRUD, Query, Search and Analytics APIsJDBC
RESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
C
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
.Net
C
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Scala
.Net
C
C++
Go
Java
JavaScript (Node.js)
Lua
Python
Rust
Server-side scripts infoStored proceduresyesnoFunctions and timers in JavaScriptno
Triggersyesnoyes infovia the TAP protocolyes, via alarm monitoring
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationyesMulti-source replication infoincluding cross data center replication
Source-replica replication
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
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.nonoyes infoEphemeral buckets
User concepts infoAccess controlUsers and groupsUser and Administrator separation with password-based and LDAP integrated Authenticationyes
More information provided by the system vendor
4D infoformer name: 4th DimensionCloudflare Workers KVCouchbase infoOriginally called MembaseTDengine
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
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One of the modules of TDengine is the time-series database. However, in addition...
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Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
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Performance improvement over 10 times: An innovative data storage structure is defined,...
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Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
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IT Infrastructure, Servers and Applications Monitoring Internet of Cars, Trucks,...
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Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
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Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
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Fastest growing database With more than 15,500 stars on GitHub
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Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
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Open Source (AGPL v3) Enterprise / Cloud (https://www.taosdata.com/en/support/)
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More resources
4D infoformer name: 4th DimensionCloudflare Workers KVCouchbase infoOriginally called MembaseTDengine
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