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DBMS > Cloudflare Workers KV vs. H2GIS vs. LokiJS vs. Oracle Coherence

System Properties Comparison Cloudflare Workers KV vs. H2GIS vs. LokiJS vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonH2GIS  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.Spatial extension of H2In-memory JavaScript DBMSOracles in-memory data grid solution
Primary database modelKey-value storeSpatial DBMSDocument storeKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.39
Rank#274  Overall
#39  Key-value stores
Score0.08
Rank#368  Overall
#7  Spatial DBMS
Score0.49
Rank#260  Overall
#42  Document stores
Score1.97
Rank#129  Overall
#22  Key-value stores
Websitewww.cloudflare.com/­developer-platform/­workers-kvwww.h2gis.orggithub.com/­techfort/­LokiJSwww.oracle.com/­java/­coherence
Technical documentationdevelopers.cloudflare.com/­kv/­apiwww.h2gis.org/­docs/­hometechfort.github.io/­LokiJSdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperCloudflareCNRSOracle
Initial release2018201320142007
Current release14.1, August 2023
License infoCommercial or Open SourcecommercialOpen Source infoLGPL 3.0Open Sourcecommercial
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 languageJavaJavaScriptJava
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VM
Data schemeschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or datenoyesnoyes
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 indexesnoyesyes infovia viewsno
SQL infoSupport of SQLnoyesnono
APIs and other access methodsHTTP REST
Proprietary protocol
JavaScript APIJCache
JPA
RESTful HTTP API
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
JavaJavaScript.Net
C++
Java
Server-side scripts infoStored proceduresnoyes infobased on H2View functions in JavaScriptno
Triggersnoyesyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on H2noneyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencynoneEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoatomic operations within a single collection possibleconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlyes infobased on H2noauthentification to access the cache via certificates or http basic authentication

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More resources
Cloudflare Workers KVH2GISLokiJSOracle Coherence
DB-Engines blog posts

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