To Export Mysql Database in Reseller Account, Please follow the following steps :-
1) Login to Plesk control panel.

2) Click on Subscriptions.

3) Click on Manage Hosting.

4) Click on Websites & Domains.

5) Click on Databases.

6) Click on Click on Database.

7) Click on Webadmin.

8) Click on Home Icon.

9) Click on Database Tab.

10) Click on Export Tab.

11) Click on Go.

12) Click on Save File, and Click Ok.

