HIVE Server2, Beeline

[#1]

Please help me regarding these questions:- 

Q1 What is Server2 in Hive?
Q2 What is the use of jdbc or odbc in Server2? For What purpose server2 is used with jdbc or odbc?
Q3 If i want to connect with Hive server2 to jdbc or odbc, how I can connect? Can I connect in my cloudera which is single node? Guide me how to connect with it?
Q4 How to connect with Beeline in Cloudera. The commands of Beeline are same or there is any difference. How to connect Beeline with jdbc and odbc?

[#2 · Accepted solution]

You can read about Hive/beeline in
http://www.cloudera.com/documentation/enterprise/latest/topics/cdh_ig_hive_doc.html#topic_18_14
or for the Hue SQL Editor here http://gethue.com/sql-editor/

Romain