Connect a database instance to DAS - Database Autonomy Service

This topic describes how to connect a database instance to Database Autonomy Service (DAS).

Features

You can use DAS to access Alibaba Cloud databases, self-managed databases hosted on Elastic Compute Service (ECS) instances, and other self-managed databases or databases from third-party cloud service providers, such as self-managed databases deployed in data centers, self-managed databases hosted on third-party cloud services, and databases provided by third-party cloud service providers.

Alibaba Cloud database instances are automatically connected to DAS after the instances are created.

Limits

The following table describes the supported database engines.

Database category	Supported database engine
Alibaba Cloud databases	ApsaraDB RDS for MySQL, PolarDB for MySQL, and ApsaraDB MyBase for MySQL ApsaraDB RDS for PostgreSQL and PolarDB for PostgreSQL ApsaraDB RDS for SQL Server and ApsaraDB MyBase for SQL Server Redis PolarDB for PostgreSQL (Compatible with Oracle) PolarDB-X 2.0 MongoDB
ECS-hosted self-managed databases	MySQL PostgreSQL ApsaraDB for MongoDB Redis Note Only self-managed Redis databases that run Redis 6.0 or earlier versions can be accessed from DAS.
Other self-managed databases or databases from third-party cloud service providers	MySQL MongoDB PostgreSQL Redis Note Only self-managed Redis databases that run Redis 6.0 or earlier versions can be connected to DAS.

To connect an Alibaba Cloud database instance to DAS, the database instance must belong to the Alibaba Cloud account that you use to activate DAS.
To connect an ECS-hosted self-managed database to DAS, the ECS instance on which the self-managed database is deployed must belong to the Alibaba Cloud account that you use to activate DAS.

Procedure

Log on to the DAS console.
In the Recommended Features section of the Overview page, click Access Instance.
On the Access Instance page, select a database category based on your business requirements.
- Alibaba Cloud database instances are automatically connected to DAS after the instances are created.
- For more information about how to connect ECS-hosted self-managed databases to DAS, see Access ECS-based self-managed database instances.
- For more information about how to connect other self-managed databases or databases from third-party cloud service providers to DAS, see Connect self-managed databases that are not deployed on Alibaba Cloud to DAS.