DAS and Other Services

With DAS, you can access cloud databases with a few clicks instead of through clients.

You can securely access data anytime and anywhere.
You can directly manage and modify the data directory structure on the web-based console.

DAS supports the management of RDS instances.

**Table 1** DAS functions available to RDS instances
Module	MySQL	RDS for SQL Server	PostgreSQL
Database Management	√	√	√
SQL Window	√	√	√
SQL History	√	√	√
Import	√	√	√
Export	√	√	√
Table Structure Comparison and Synchronization	√	×	×
Data Generator	√	×	×
Task Scheduling	√	×	×
Real-Time Performance	√	×	×
Real-Time Sessions	√	√	×
SQL Diagnosis	√	×	×
Diagnosis Report	√	×	×
InnoDB Lock Query	√	×	×
User Management	√	√	×

DAS supports the management of ECS databases. To manage this type of databases, the following requirements must be met:

You have the username, password, and port for logging in to the target database.
ECSs and DAS are in the same region.
The engine version of the managed MySQL instances can be 5.5, 5.6, 5.7, or 8.0. The instances are not deployed in HA clusters.

**Table 2** DAS functions available for different ECS databases
Module	MySQL	RDS for SQL Server	PostgreSQL
Database Management	√	√	√
SQL Window	√	√	√
SQL History	√	√	√
Import	√	√	√
Export	√	√	√
Task Scheduling	√	×	×
Real-Time Performance	√	×	×
Real-Time Sessions	√	√	×
SQL Diagnosis	√	×	×
Diagnosis Report	√	×	×
InnoDB Lock Query	√	-	×
User Management	√	√	×

DAS supports the management of DDS DB instances. To manage DDS DB instances, the following requirements must be met:

**Table 3** DAS functions available to DDS instances
Module	Function	DDS
Command Operation	To query commands.	√
Command Operation	To display command execution records.	√
Database Management	To manage databases.	√
Collections	To manage database collections.	√
Views	To manage database views.	√
User Management	To create and manage users.	√
Role Management	To create and manage roles.	√