DBMS > Alibaba Cloud ApsaraDB for PolarDB

Alibaba Cloud ApsaraDB for PolarDB System Properties

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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.

Primary database model

Relational DBMS

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Trend Chart

Score	0.49
Rank	#307	Overall
	#138	Relational DBMS

Website

www.alibabacloud.com/product/polardb

Technical documentation

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

Developer

Alibaba

License

Commercial or Open Source

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.

Server operating systems

hosted

Data scheme

yes

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

JDBC
ODBC

Supported programming languages

Java
Python

Server-side scripts

Stored procedures

yes

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

Implicit feature of the cloud service

Replication methods

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

Consistency concepts

Methods to ensure consistency in a distributed system

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

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

More information provided by the system vendor

Specific characteristics

ApsaraDB for PolarDB is a cloud-native relational database 100% compatible with MySQL, PostgreSQL, and highly compatible with Oracle. ApsaraDB for PolarDB provides the performance and availability of traditional enterprise databases and the flexibility and cost-effectiveness of open-source databases.

It is the new generation of "Super MySQL, PostgreSQL or compatible Oracle" supporting up to 100 TB storage in Alibaba Cloud.

Learn more >

Watch Product Tutorials on YouTube >

Competitive advantages

Webinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed.

White paper: PolarDB: A Technical Guidebook

Published paper about the core database file system: "PolarFS: An Ultra-low Latency and Failure Resilient Distributed File System for Shared Storage Cloud Database"

【Latest News】

Recent Offer: Apply For Always Free PolarDB >

Recent Event: PolarDB for PostgreSQL (Paxos) announces open source at Alibaba Cloud Developer Conference on May 29, see more on GitHub >

Typical application scenarios

Creating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming.

Learn How Alibaba Cloud's Databases Could Support 87 Million Transactions per Second.

Watch More on YouTube: Alibaba Cloud ApsaraDB >

Licensing and pricing models

Specification and pricing.

You can use either of the following billing methods to purchase ApsaraDB for PolarDB clusters.

Subscription
Using a subscription billing method, you pay in advance for the compute cluster (for example, a primary node and a read-only node) that you create. Despite the subscription billing method, certain fees are incurred on a pay-as-you-go basis. For example, you are billed for the storage space you use by hour and the charge is deducted from your account balance on an hourly basis.
Pay-as-you-go
Using a pay-as-you-go billing method, you pay for the resources after you use them. Regardless of the compute clusters or storage space, you are billed by hour and the charge is deducted from your account balance on an hourly basis.

Billing items

Billing item	Billing method
Compute cluster (a primary node and one or more read-only nodes)	Subscription or pay-as-you-go.
Storage space	Pay-as-you-go.
Data backup	This feature is currently available for free.

Available regions:

China: Hangzhou, Shanghai, Beijing, Hohhot, Shenzhen, Hong Kong, Zhangjiakou

US: Silicon Valley, Virginia

Germany: Frankfurt

Singapore

Malaysia: Kuala Lumpur

Indonesia: Jakarta

India: Mumbai

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