hi,
WITH DB_CPU_Stats
AS
(SELECT DatabaseID,
DB_Name(DatabaseID) AS [DatabaseName],
SUM(total_worker_time) AS [CPU_Time(Ms)]
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY (SELECT CONVERT(int, value) AS [DatabaseID]
FROM sys.dm_exec_plan_attributes(qs.plan_handle)
WHERE attribute = N'dbid') AS epa
GROUP BY DatabaseID)
SELECT ROW_NUMBER() OVER(ORDER BY [CPU_Time(Ms)] DESC) AS [row_num],
DatabaseName,
[CPU_Time(Ms)],
CAST([CPU_Time(Ms)] * 1.0 / SUM([CPU_Time(Ms)])
OVER() * 100.0 AS DECIMAL(5, 2)) AS [CPUPercent]
FROM DB_CPU_Stats
WHERE DatabaseID > 4 -- system databases
AND DatabaseID <> 32767 -- ResourceDB
ORDER BY row_num
OPTION (RECOMPILE);
On single database cpu utilization 100 % .How to decrease cpu utilization on that database.?