.::: Check Number Active User SQL Server connections :::.

sp_who2 'active'

1. Query 1
SELECT @@servername as ServerName,a.*
FROM
(SELECT
DB_NAME(dbid) as DBName,
COUNT(dbid) as NumberOfConnections,
loginame as LoginName
FROM
sys.sysprocesses
WHERE
dbid > 0
GROUP BY
dbid, loginame) a
ORDER BY a.DBName, a.LoginName
 

2. Query 2
SELECT @@servername as ServerName,
     sdes.session_id
    ,sdes.login_time
    ,sdes.last_request_start_time
    ,sdes.last_request_end_time
    ,sdes.is_user_process
    ,sdes.host_name
    ,sdes.program_name
    ,sdes.login_name
    ,sdes.status

    ,sdec.num_reads
    ,sdec.num_writes
    ,sdec.last_read
    ,sdec.last_write
    ,sdes.reads
    ,sdes.logical_reads
    ,sdes.writes

    ,sdest.DatabaseName
    ,sdest.ObjName
    ,sdes.client_interface_name
    ,sdes.nt_domain
    ,sdes.nt_user_name
    ,sdec.client_net_address
    ,sdec.local_net_address
    ,sdest.Query
    ,KillCommand  = 'Kill '+ CAST(sdes.session_id  AS VARCHAR)
FROM sys.dm_exec_sessions AS sdes

INNER JOIN sys.dm_exec_connections AS sdec
        ON sdec.session_id = sdes.session_id

CROSS APPLY (

    SELECT DB_NAME(dbid) AS DatabaseName
        ,OBJECT_NAME(objectid) AS ObjName
        ,COALESCE((
            SELECT TEXT AS [processing-instruction(definition)]
            FROM sys.dm_exec_sql_text(sdec.most_recent_sql_handle)
            FOR XML PATH('')
                ,TYPE
            ), '') AS Query

    FROM sys.dm_exec_sql_text(sdec.most_recent_sql_handle)

) sdest
WHERE sdes.session_id <> @@SPID
 

3. Query 3
SELECT @@servername as ServerName,conn.session_id, host_name, program_name,
    nt_domain, login_name, connect_time, last_request_end_time
FROM sys.dm_exec_sessions AS sess
JOIN sys.dm_exec_connections AS conn
   ON sess.session_id = conn.session_id;