SQL Server slow query

 

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_planFROM sys.dm_exec_query_stats qsCROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qtCROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) qpWHERE qt.encrypted=0ORDER BY qs.total_logical_reads DESC