Follow below steps to connect to Cloudera Hadoop .
1. Go to More and click on Cloudera Hadoop.
2. Download and install driver here, https://www.cloudera.com/downloads.html
3. Then type the server, select the type hive/ Impala and enter username and password and click ok
4. Enter schema and table name.
5. Drag the table to data section and click on sheet.
Hope this helps you.