Query is not running in Mysql server in itversity - labs



Hi All,
I am using big data labs for preparing the certification. Since yesterday am facing the issues in my sql server.
I can able to connect my sql server & databases using the below command in putty.
mysql -u retail_dba -h nn01.itversity.com -p
but when am running the query in databases am facing the below issues. Could you pls do the need ful.

No connection. Trying to reconnect…
Connection id: 1
Current database: retail_import

ERROR 2013 (HY000): Lost connection to MySQL server during query


@cmahendran To connect Mysql refer below link