SELECT TOP 20 SUBSTRING(qt.text, (qs.statement_start_offset/2)+1,
((CASE qs.statement_end_offset
WHEN -1 THEN DATALENGTH(qt.text)
ELSE qs.statement_end_offset
END - qs.statement_start_offset)/2)+1),
qs.execution_count,
qs.total_logical_reads, qs.last_logical_reads,
qs.min_logical_reads, qs.max_logical_reads,
qs.total_elapsed_time, qs.last_elapsed_time,
qs.min_elapsed_time, qs.max_elapsed_time,
qs.last_execution_time,
qp.query_plan
FROM sys.dm_exec_query_stats qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qt
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) qp
WHERE qt.encrypted=0
ORDER BY execution_count DESC, qs.total_logical_reads DESC
출처 : http://thisiscb.azurewebsites.net/mssql-io-%EB%B9%84%EC%9A%A9%EC%9D%B4-%EB%A7%8E%EC%9D%B4-%EB%93%9C%EB%8A%94-%EC%BF%BC%EB%A6%AC-%EC%A1%B0%ED%9A%8C/
