DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. Amazon DynamoDB vs. YugabyteDB

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. Amazon DynamoDB vs. YugabyteDB

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Editorial information provided by DB-Engines

Name

Description

A cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.

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

High-performance distributed SQL database for global, internet-scale applications. Wire compatible with PostgreSQL.

Primary database model

Relational DBMS

Document store
Key-value store

Relational DBMS

Secondary database models

Document store
Wide column store

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

Score	0.63
Rank	#210	Overall
	#104	Relational DBMS

Score	69.14
Rank	#17	Overall
	#2	Document stores
	#2	Key-value stores

Score	1.18
Rank	#157	Overall
	#77	Relational DBMS

Website

www.alibabacloud.com/product/polardb

aws.amazon.com/dynamodb

www.yugabyte.com

Technical documentation

www.alibabacloud.com/help/doc-detail/58764.htm

docs.aws.amazon.com/dynamodb

docs.yugabyte.com
github.com/yugabyte/yugabyte-db

Developer

Alibaba

Amazon

Yugabyte Inc.

Initial release

2012

2017

Current release

2.2.0, July 2020

License

Commercial or Open Source

commercial

free tier for a limited amount of database operations

Open Source

Apache 2.0

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

C and C++

Server operating systems

hosted

Linux
OS X

Data scheme

yes

schema-free

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

yes, PostgreSQL compatible

APIs and other access methods

JDBC
ODBC

RESTful HTTP API

YCQL, an SQL-based flexible-schema API with its roots in Cassandra Query Language

Supported programming languages

Java
Python

.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby

C
C#
C++
Go
Java
JavaScript (Node.js)
Python
Ruby

Server-side scripts

Stored procedures

yes

sql, plpgsql, C

Triggers

yes

by integration with AWS Lambda

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

Implicit feature of the cloud service

Sharding

Hash and Range Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

yes

Implicit feature of the cloud service

yes

Based on Raft distributed consensus protocol, minimum 3 replicas for continuous availability

MapReduce

Offers an API for user-defined Map/Reduce methods

may be implemented via Amazon Elastic MapReduce (Amazon EMR)

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Eventual Consistency
Immediate Consistency

can be specified for read operations

Strong consistency on writes and tunable consistency on reads

Foreign keys

Referential integrity

yes

Transaction concepts

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

Distributed ACID with Serializable & Snapshot Isolation. Inspired by Google Spanner architecture.

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

based on RocksDB

In-memory capabilities

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

yes

User concepts

Access control

fine grained access rights according to SQL-standard

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

yes

More information provided by the system vendor

Specific characteristics

ApsaraDB for PolarDB is a cloud-native relational database compatible with MySQL...
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Gain Developer Agility Leverage full power of PostgreSQL-compatible SQL and distributed...
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Competitive advantages

Webinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. PolarDB:...
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YugabyteDB is a distributed ACID-compliant database that brings together four must-have...
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Typical application scenarios

Creating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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YugabyteDB is a good fit for fast-growing, cloud native applications that need to...
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Licensing and pricing models

Specification and pricing. You can use either of the following billing methods to...
» more

YugabyteDB is a 100% open source project licensed under the permissive Apache 2.0...
» more

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