DBMS > Datomic vs. Fauna vs. IBM Cloudant

System Properties Comparison Datomic vs. Fauna vs. IBM Cloudant

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines

Name

Description

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

Fauna provides a web-native interface, with support for GraphQL and custom business logic that integrates seamlessly with the rest of the serverless ecosystem. The underlying globally distributed storage and compute platform is fast, consistent, and reliable, with a modern security infrastructure.

Database as a Service offering based on Apache CouchDB

Primary database model

Relational DBMS

Document store
Graph DBMS
Relational DBMS
Time Series DBMS

Document store

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

Score	2.25
Rank	#133	Overall
	#65	Relational DBMS

Score	1.77
Rank	#157	Overall
	#26	Document stores
	#13	Graph DBMS
	#74	Relational DBMS
	#13	Time Series DBMS

Score	4.16
Rank	#93	Overall
	#16	Document stores

Website

www.datomic.com

fauna.com

www.ibm.com/cloud/cloudant

Technical documentation

docs.datomic.com

docs.fauna.com

cloud.ibm.com/docs/Cloudant

Developer

Cognitect

Fauna, Inc.

IBM, Apache Software Foundation

IBM acquired Cloudant in February 2014

Initial release

2012

2014

2010

Current release

1.0.6362, January 2022

License

Commercial or Open Source

commercial

limited edition free

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

Scala

Erlang

Server operating systems

All OS with a Java VM

hosted

Data scheme

yes

schema-free

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.

Secondary indexes

yes

SQL

Support of SQL

APIs and other access methods

RESTful HTTP API

RESTful HTTP/JSON API

Supported programming languages

Clojure
Java

C#
Go
Java
JavaScript
Python
Ruby
Scala
Swift

C#
Java
JavaScript
Objective-C
PHP
Ruby

Server-side scripts

Stored procedures

yes

Transaction Functions

user defined functions

View functions (Map-Reduce) in JavaScript

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

horizontal partitioning

consistent hashing

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

none

But extensive use of caching in the application peers

Multi-source replication

Multi-source replication
Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Eventual Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

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

ACID

atomic operations within a document possible

Concurrency

Support for concurrent manipulation of data

yes

Optimistic locking

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

User concepts

Access control

Identity management, authentication, and access control

Access rights for users can be defined per database

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources

Recent citations in the news

The Architecture of Datomic
2 November 2012, InfoQ.com

Rich Hickey on Datomic: Datalog, Databases, Persistent Data ...
4 April 2012, InfoQ.com

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal ...
16 August 2021, InfoQ.com

Nubank buys firm behind Clojure programming language
28 July 2020, Finextra

Clojure inventor Hickey now aims for Android
22 March 2012, InfoWorld

provided by Google News

Fauna Launches Serverless Database in AWS Marketplace
21 March 2023, businesswire.com

Fauna Launches Airbyte Connector to Power Turnkey Data ...
1 March 2023, GlobeNewswire

Egypt establishes online database of wild plant species
15 March 2023, Egypt Today

Building a searchable incident database >> Scuttlebutt Sailing News
19 March 2023, Scuttlebutt Sailing News

Fauna adds observability features to its serverless cloud database
15 February 2023, SiliconANGLE News

provided by Google News

IBM Expands Cloud Database Services with Kubernetes
26 September 2019, EnterpriseAI

IBM to Purchase Cloudant Database as a service (DBaaS) Provider
22 March 2014, App Developer Magazine

IBM Cloudant - Market Share, Competitor Insights in Database
20 March 2023, 6sense.com

Guided Project: Get Started with Cloudant NoSQL Database
1 March 2023, edX

Cloudant
1 July 2022, dbdb.io

provided by Google News

Job opportunities

Full Stack Clojure and React Software Developer
Medical Database, Inc, Irvine, CA

PARK RANGER 1** - 03232023-44266
State of Tennessee, Lawrence County, TN

Early-Career Natural Resources or Wetland Scientist
Geosyntec Consultants, Inc., Richmond, VA

Recreation Leader III / Environmental Educator
City of Alexandria, VA, Alexandria, VA

Volunteer Services Field Liaison
Forest Preserve District of DuPage County, Wheaton, IL

Natural Resources Specialist – Kickapoo Valley Reserve
State of Wisconsin, La Farge, WI

jobs by

Share this page