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DBMS > Cloudflare Workers KV vs. Memcached vs. SQL.JS vs. SWC-DB

System Properties Comparison Cloudflare Workers KV vs. Memcached vs. SQL.JS vs. SWC-DB

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Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonMemcached  Xexclude from comparisonSQL.JS  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  Xexclude from comparison
DescriptionA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.In-memory key-value store, originally intended for cachingPort of SQLite to JavaScriptA high performance, scalable Wide Column DBMS
Primary database modelKey-value storeKey-value storeRelational DBMSWide column store
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.39
Rank#274  Overall
#39  Key-value stores
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.08
Rank#364  Overall
#13  Wide column stores
Websitewww.cloudflare.com/­developer-platform/­workers-kvwww.memcached.orgsql.js.orggithub.com/­kashirin-alex/­swc-db
www.swcdb.org
Technical documentationdevelopers.cloudflare.com/­kv/­apigithub.com/­memcached/­memcached/­wikisql.js.org/­documentation/­index.html
DeveloperCloudflareDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalAlon Zakai infoenhancements implemented by othersAlex Kashirin
Initial release2018200320122020
Current release1.6.27, May 20240.5, April 2021
License infoCommercial or Open SourcecommercialOpen Source infoBSD licenseOpen SourceOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaScriptC++
Server operating systemshostedFreeBSD
Linux
OS X
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or datenonoyes
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 indexesnono
SQL infoSupport of SQLnonoyes infoSQL-92 is not fully supportedSQL-like query language
APIs and other access methodsHTTP REST
Proprietary protocol
Proprietary protocolJavaScript APIProprietary protocol
Thrift
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
JavaScriptC++
Server-side scripts infoStored proceduresnononono
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone infoRepcached, a Memcached patch, provides this functionallitynone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesnono infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolno

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More resources
Cloudflare Workers KVMemcachedSQL.JSSWC-DB infoSuper Wide Column Database
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