Script kiểm tra các kết nối đến SQL Server

-- Hien thi cac ket noi tu cac IP address
SELECT ec.client_net_address, es.[program_name], es.[host_name], es.login_name,
COUNT(ec.session_id) AS [connection count]
FROM sys.dm_exec_sessions AS es 
INNER JOIN sys.dm_exec_connections AS ec 
ON es.session_id = ec.session_id  
GROUP BY ec.client_net_address, es.[program_name], es.[host_name], es.login_name 
ORDER BY ec.client_net_address, es.[program_name];

-- Hien thi cac ket noi tu cac login_name
SELECT login_name, COUNT(session_id) AS [session_count]
FROM  sys.dm_exec_sessions
GROUP BY login_name
ORDER BY login_name;