:original_name: ddm_05_0009.html
.. _ddm_05_0009:
Comparing Two Parameter Templates
=================================
Scenarios
---------
You can apply different parameter templates to the same DDM instance to view impacts on parameter settings of the instance.
Procedure
---------
#. Log in to the management console.
#. Click |image1| in the upper left corner and select a region and a project.
#. Click |image2| in the upper left corner of the page and choose **Databases** > **Distributed Database Middleware**.
#. On the **Parameter Templates** page, locate the required parameter template and click **Compare** in the **Operation** column.
#. In the displayed dialog box, select a parameter template and click **OK**.
You can compare different custom parameter templates, or a default parameter template with a custom parameter template.
- If their settings are different, the parameter names and values of both parameter templates are displayed.
- If their settings are the same, no data is displayed.
.. |image1| image:: /_static/images/en-us_image_0000001685307262.png
.. |image2| image:: /_static/images/en-us_image_0000001733266445.png