use [master]
go
SELECT
DB_NAME(dbid) as DBName,
COUNT(dbid) as NumberOfConnections,
loginame as LoginName
FROM
sys.sysprocesses
WHERE
dbid > 0
GROUP BY
dbid, loginame
order by 2 desc
SELECT *
FROM sys.dm_exec_sessions
where host_name is not null
order by login_name
go