DBMS > Cloudflare Workers KV vs. Datomic vs. IBM Db2 vs. InterSystems Caché

System Properties Comparison Cloudflare Workers KV vs. Datomic vs. IBM Db2 vs. InterSystems Caché

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Editorial information provided by DB-Engines

Name

Description

A global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.

Datomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durability

Common in IBM host environments, 2 different versions for host and Windows/Linux

A multi-model DBMS and application server

Primary database model

Key-value store

Relational DBMS

Since Version 10.5 support for JSON/BSON documents compatible with MongoDB

Key-value store
Object oriented DBMS
Relational DBMS

Secondary database models

Document store
RDF store

in Db2 LUW (Linux, Unix, Windows)
Spatial DBMS

with Db2 Spatial Extender

Document store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	0.12
Rank	#305	Overall
	#45	Key-value stores

Score	1.70
Rank	#138	Overall
	#68	Relational DBMS

Score	160.32
Rank	#7	Overall
	#5	Relational DBMS

Score	3.01
Rank	#104	Overall
	#19	Key-value stores
	#1	Object oriented DBMS
	#53	Relational DBMS

Website

www.cloudflare.com/products/workers-kv

www.datomic.com

www.ibm.com/analytics/db2

www.intersystems.com/products/cache

Technical documentation

developers.cloudflare.com/workers/runtime-apis/kv

docs.datomic.com

www.ibm.com/support/knowledgecenter/SSEPGG

docs.intersystems.com

Developer

Cloudflare

Cognitect

IBM

InterSystems

Initial release

2018

2012

1983

host version

1997

Current release

1.0.6362, January 2022

12.1, October 2016

2018.1.4, May 2020

License

Commercial or Open Source

commercial

limited edition free

commercial

free version is available

commercial

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

Java, Clojure

C and C++

Server operating systems

hosted

All OS with a Java VM

AIX
HP-UX
Linux
Solaris
Windows
z/OS

AIX
HP Open VMS
HP-UX
Linux
OS X
Solaris
Windows

Data scheme

schema-free

yes

depending on used data model

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

yes

Secondary indexes

yes

SQL

Support of SQL

yes

APIs and other access methods

HTTP REST
Proprietary protocol

RESTful HTTP API

ADO.NET
JDBC
JSON style queries

MongoDB compatible
ODBC
XQuery

.NET Client API
JDBC
ODBC
RESTful HTTP API

Supported programming languages

C
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala

Clojure
Java

C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic

C#
C++
Java

Server-side scripts

Stored procedures

yes

Transaction Functions

yes

Triggers

By using transaction functions

yes

Partitioning methods

Methods for storing different data on different nodes

none

But extensive use of caching in the application peers

Sharding

only with Windows/Unix/Linux Version

none

Replication methods

Methods for redundantly storing data on multiple nodes

yes

none

But extensive use of caching in the application peers

yes

with separate tools (MQ, InfoSphere)

Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

using external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

recommended only for testing and development

yes

User concepts

Access control

fine grained access rights according to SQL-standard

Access rights for users, groups and roles

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More resources

Recent citations in the news

Cloudflare Enters the Database Business
14 May 2022, The Motley Fool

Cloudflare Workers KV, a distributed native key-value store for Cloudflare Workers
1 October 2018, Packt Hub

Cloudflare Releases Workers KV, a Serverless Key-Value Store at the Edge
28 May 2019, InfoQ.com

Evolving Core Web Vitals tactics using Cloudflare and WebpageTest
24 January 2022, Search Engine Land

Serverless: Cloudflare simplifies the connection of databases
17 November 2021, Market Research Telecast

provided by Google News

The Datomic Information Model
1 February 2013, InfoQ.com

The Architecture of Datomic
2 November 2012, InfoQ.com

Atomic Layer Deposition Equipment (ALD) Market Size, Geography Trends And Analysis of Leading Market Players 2022-2027|ASM International, Tokyo Electron, Lam Research – The Daily Vale
24 May 2022, The Daily Vale

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal Architecture and Public Cloud at Nubank
16 August 2021, InfoQ.com

Brazil's Nubank Acquires US Software Firm Cognitect
30 July 2020, Nearshore Americas

provided by Google News

Google Needs Another Database To Attack Oracle, DB2, And SQL Server Directly
16 May 2022, The Next Platform

Database And Developer Enhancements In IBM i 7.5 And 7.4 TR6
9 May 2022, IT Jungle

Announcement Day: IBM Lifts The Veil On IBM i 7.5 And 7.4 TR6
3 May 2022, IT Jungle

CockroachDB update aims to ease creation of data-intensive applications
24 May 2022, VentureBeat

Db2, where are you? Big Blue is oddly reluctant to discuss recent enhancements to its flagship database
23 December 2021, The Register

provided by Google News

InterSystems
22 July 2019, International Spectrum Magazine

Halfaker and Associates, LLC | US GAO
2 February 2022, Government Accountability Office

AWS, GCP, Oracle, Azure, SAP lead cloud DBMS market: Gartner
15 February 2022, CRN Australia

Multivalue Database Listing
10 January 2019, International Spectrum Magazine

The World Has Changed – Why Haven’t Database Designs?
25 March 2021, The Next Platform

provided by Google News

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