Query:

SELECT conn.session_id, sson.host_name, sson.login_name,
 sqltxt.text, sson.login_time,  sson.status
FROM sys.dm_exec_connections conn
INNER JOIN sys.dm_exec_sessions sson
ON conn.session_id = sson.session_id
CROSS APPLY sys.dm_exec_sql_text(most_recent_sql_handle) AS sqltxt
ORDER BY conn.session_id

Term used in Query:

sys.dm_exec_connections - Returns information about the connections established to this instance of SQL Server and the details of each connection

sys.dm_exec_sessions - Returns one row per authenticated session on SQL Server. sys.dm_exec_sessions is a server-scope view that shows information about all active user connections and internal tasks. This information includes client version, client program name, client login time, login user, current session setting, and more

sys.dm_exec_sql_text - Returns the text of the SQL batch that is identified by the specified sql_handle