DBMS > Amazon DynamoDB vs. EJDB vs. FaunaDB vs. STSdb

System Properties Comparison Amazon DynamoDB vs. EJDB vs. FaunaDB vs. STSdb

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines

Name

Description

Hosted, scalable database service by Amazon with the data stored in Amazons cloud

Embeddable document-store database library with JSON representation of queries (in MongoDB style)

Strongly consistent database capable of global horizontal scale with a focus on operational simplicity

Key-Value Store with special method for indexing info

optimized for high performance using a special indexing method

Primary database model

Document store
Key-value store

Document store

Document store
Graph DBMS
Relational DBMS
Time Series DBMS

Key-value store

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

Score	61.63
Rank	#16	Overall
	#2	Document stores
	#2	Key-value stores

Score	0.17
Rank	#261	Overall
	#35	Document stores

Score	0.69
Rank	#180	Overall
	#26	Document stores
	#14	Graph DBMS
	#89	Relational DBMS
	#9	Time Series DBMS

Score	0.05
Rank	#309	Overall
	#51	Key-value stores

Website

aws.amazon.com/dynamodb

ejdb.org

fauna.com

stssoft.com/products/stsdb-4-0

Technical documentation

docs.aws.amazon.com/dynamodb

github.com/Softmotions/ejdb/blob/master/README.md

fauna.com/documentation

Developer

Amazon

Softmotions

Fauna, Inc.

STS Soft SC

Initial release

2012

2014

2011

License

Commercial or Open Source

commercial info

free tier for a limited amount of database operations

Open Source info

GPLv2

commercial

Open Source info

GPLv2, commercial license available

Cloud-based only info

Only available as a cloud service

yes

DBaaS offerings (sponsored links) info

Database as a Service

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

Implementation language

Scala

Server operating systems

hosted

server-less

Linux

Windows

Data scheme

schema-free

yes

Typing

predefined data types such as float or date

yes

string, integer, double, bool, date, object_id

yes

primitive types and user defined types (classes)

XML support info

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

in-process shared library

RESTful HTTP API

.NET Client API

Supported programming languages

.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby

Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby

C#
Go
Java
JavaScript
Python
Ruby
Scala
Swift

C#
Java

Server-side scripts info

Stored procedures

user defined functions

Triggers

yes

by integration with AWS Lambda

Partitioning methods info

Methods for storing different data on different nodes

Sharding

none

horizontal partitioning info

consistent hashing

none

Replication methods info

Methods for redundantly storing data on multiple nodes

yes

none

Masterless

none

MapReduce

Offers an API for user-defined Map/Reduce methods

may be implemented via Amazon Elastic MapReduce (Amazon EMR)

Consistency concepts info

Methods to ensure consistency in a distributed system

Eventual Consistency
Immediate Consistency info

can be specified for read operations

Immediate Consistency

Foreign keys info

Referential integrity

typically not needed, however similar functionality with collection joins possible

yes

Transaction concepts info

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

ACID

ACID across one or more tables within a single AWS account and region

ACID

Concurrency info

Support for concurrent manipulation of data

yes

Read/Write Locking

yes

Durability info

Support for making data persistent

yes

In-memory capabilities info

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

User concepts info

Access control

Access rights for users and roles can be defined via the AWS Identity and Access Management (IAM)

Identity management, authentication, and access control

More information provided by the system vendor

Specific characteristics

Serverless cloud database for modern applications Native GraphQL API High performance...
» more

Competitive advantages

Document-relational interface: combines flexibility in modeling with flexibility...
» more

Typical application scenarios

Modern Javascript Apps Identity management Multi-tenant SaaS backend Social content...
» more

Key customers

Nextdoor ShiftX
» more

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.