How to find the SQL Server databse Last used?

Question

How to find the SQL Server database Last used by DB users. ... give you whodunnit information and you can group by to get min/MAX event times

Answer 1

WITH myCTE AS
(
    SELECT
        DB_NAME(database_id) AS TheDatabase,
        last_user_seek,
        last_user_scan,
        last_user_lookup,
        last_user_update
    FROM 
        sys.dm_db_index_usage_stats
)
SELECT
    ServerRestartedDate = (SELECT CREATE_DATE FROM sys.databases where name='tempdb'),
    x.TheDatabase,
    MAX(x.last_read) AS  last_read,
    MAX(x.last_write) AS last_write
FROM
    (SELECT 
         TheDatabase, last_user_seek AS last_read, NULL AS last_write 
     FROM 
         myCTE

     UNION ALL  

     SELECT 
         TheDatabase, last_user_scan, NULL 
     FROM 
         myCTE

     UNION ALL

     SELECT 
         TheDatabase, last_user_lookup, NULL 
     FROM 
         myCTE

     UNION ALL

     SELECT 
         TheDatabase, NULL, last_user_update 
     FROM 
         myCTE) AS x
GROUP BY 
    TheDatabase