DBMS > Amazon DynamoDB vs. Microsoft Azure Cosmos DB

System Properties Comparison Amazon DynamoDB vs. Microsoft Azure Cosmos DB

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Our visitors often compare Amazon DynamoDB and Microsoft Azure Cosmos DB with MongoDB, Cassandra and Redis.

Editorial information provided by DB-Engines

Name

Description

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

Globally distributed, horizontally scalable, multi-model database service

Primary database model

Document store
Key-value store

Document store
Graph DBMS
Key-value store
Wide column store

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

Score	56.42
Rank	#20	Overall
	#2	Document stores
	#2	Key-value stores

Score	29.08
Rank	#24	Overall
	#4	Document stores
	#2	Graph DBMS
	#3	Key-value stores
	#3	Wide column stores

Website

aws.amazon.com/dynamodb

azure.microsoft.com/services/cosmos-db

Technical documentation

docs.aws.amazon.com/dynamodb

docs.microsoft.com/en-us/azure/cosmos-db

Developer

Amazon

Microsoft

Initial release

2012

2014

License

Commercial or Open Source

commercial info

free tier for a limited amount of database operations

commercial

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.

Server operating systems

hosted

Data scheme

schema-free

Typing

predefined data types such as float or date

yes

JSON types

Secondary indexes

yes

All properties auto-indexed by default

SQL

Support of SQL

SQL-like query language

APIs and other access methods

RESTful HTTP API

DocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API

Supported programming languages

.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby

.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python

Server-side scripts info

Stored procedures

JavaScript

Triggers

yes

by integration with AWS Lambda

JavaScript

Partitioning methods info

Methods for storing different data on different nodes

Sharding

Implicit feature of the cloud service

Replication methods info

Methods for redundantly storing data on multiple nodes

yes

Implicit feature of the cloud service

MapReduce

Offers an API for user-defined Map/Reduce methods

may be implemented via Amazon Elastic MapReduce (Amazon EMR)

with Hadoop integration info

Integration with Hadoop/HDInsight on Azure*

Consistency concepts info

Methods to ensure consistency in a distributed system

Eventual Consistency
Immediate Consistency info

can be specified for read operations

Bounded Staleness
Consistent Prefix
Session Consistency
Eventual Consistency
Immediate Consistency info

Consistency level configurable on request level

Foreign keys info

Referential integrity

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

Multi-item ACID transactions with snapshot isolation within a partition

Concurrency info

Support for concurrent manipulation of data

yes

Durability info

Support for making data persistent

yes

User concepts info

Access control

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

Access rights can be defined down to the item level

More information provided by the system vendor

Specific characteristics

Azure Cosmos DB is Microsoft™s globally-distributed, horizontally scalable, multi-model...
» more

Competitive advantages

Global distribution Easily build globally-distributed applications without the hassle...
» more

Typical application scenarios

Azure Cosmos DB enables writing globally distributed applications and allows you...
» more

Key customers

Jet.com, Asos, Real Madrid, Orange Tribes, MSN, Telenor, NextGames, Schneider Electric,...
» more

Market metrics

Gartner Research positions Microsoft as the leader in the Magic Quadrant Operational...
» more

Licensing and pricing models

With Azure Cosmos DB, pay only for the storage you use and the throughput you provision...
» more

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