Overview
Scenarios
This section describes how to associate a DDM instance with a data node (RDS for MySQL instance).
Process of Using DDM
Step 1: Buy a DDM Instance and an RDS for MySQL Instance
Step 2: Create a Schema and Associate It with an RDS for MySQL Instance
![](https://support.huaweicloud.com/eu/qs-ddm/en-us_image_0000001214378644.png)
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