Online Documentation for Data Pump for MySQL
Step 2 - Selecting source schemas
This step of the wizard allows you to specify schemas of the source database to pump objects from.
To select a schema, you need to move it from the Available schemas list to the Selected schemas list. Use the buttons or drag-and-drop operations to move the schemas from one list to another.
Hint: To select multiple schemas, hold down the Shift or Ctrl key while selecting the schema names.
Click the Next button to proceed to the selecting source objects step of the wizard.