TOP 10 IO intensive query
SELECT TOP 10
total_logical_reads, total_logical_writes, execution_count,
total_logical_reads + total_logical_writes AS [IO_total],
b.text AS query_text, DB_NAME(b.dbid) AS database_name,
b.objectid AS object_id
FROM
sys.dm_exec_query_stats a
CROSS APPLY sys.dm_exec_sql_text(sql_handle) b
WHERE
total_logical_reads + total_logical_writes > 0
ORDER BY
[IO_total] DESC;