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DBMS > Cloudflare Workers KV vs. Hyprcubd vs. SQL.JS vs. STSdb vs. VelocityDB

System Properties Comparison Cloudflare Workers KV vs. Hyprcubd vs. SQL.JS vs. STSdb vs. VelocityDB

Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonHyprcubd  Xexclude from comparisonSQL.JS  Xexclude from comparisonSTSdb  Xexclude from comparisonVelocityDB  Xexclude from comparison
Hyprcubd seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.Serverless Time Series DBMSPort of SQLite to JavaScriptKey-Value Store with special method for indexing infooptimized for high performance using a special indexing methodA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeTime Series DBMSRelational DBMSKey-value storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.39
Rank#274  Overall
#39  Key-value stores
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.10
Rank#357  Overall
#51  Key-value stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.cloudflare.com/­developer-platform/­workers-kvhyprcubd.com (offline)sql.js.orggithub.com/­STSSoft/­STSdb4velocitydb.com
Technical documentationdevelopers.cloudflare.com/­kv/­apisql.js.org/­documentation/­index.htmlvelocitydb.com/­UserGuide
DeveloperCloudflareHyprcubd, Inc.Alon Zakai infoenhancements implemented by othersSTS Soft SCVelocityDB Inc
Initial release2018201220112011
Current release4.0.8, September 20157.x
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source infoGPLv2, commercial license availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaScriptC#C#
Server operating systemshostedhostedserver-less, requires a JavaScript environment (browser, Node.js)WindowsAny that supports .NET
Data schemeschema-freeyesyesyesyes
Typing infopredefined data types such as float or datenoyes infotime, int, uint, float, stringyesyes infoprimitive types and user defined types (classes)yes
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.nononono
Secondary indexesnononoyes
SQL infoSupport of SQLnoSQL-like query languageyes infoSQL-92 is not fully supportednono
APIs and other access methodsHTTP REST
Proprietary protocol
gRPC (https)JavaScript API.NET Client API.Net
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
JavaScriptC#
Java
.Net
Server-side scripts infoStored proceduresnonononono
TriggersnonononoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesnoyesyes
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a fileyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controltoken accessnonoBased on Windows Authentication

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More resources
Cloudflare Workers KVHyprcubdSQL.JSSTSdbVelocityDB
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