:original_name: ddm_01_0020.html .. _ddm_01_0020: Overview ======== Scenarios --------- This section describes how to associate a DDM instance with a data node (RDS for MySQL instance). Process of Using DDM -------------------- :ref:`Step 1: Create a DDM Instance and an RDS for MySQL Instance ` :ref:`Step 2: Create a Schema and Associate It with an RDS for MySQL Instance ` :ref:`Step 3: Create a DDM Account ` :ref:`Step 4: Log In to the DDM Schema ` .. figure:: /_static/images/en-us_image_0000001733146485.png :alt: **Figure 1** Flowchart for using DDM **Figure 1** Flowchart for using DDM