SQL SEVER数据库重建索引的方法

SELECT creation_time N'语句编译时间'
,last_execution_time N'上次执行时间'
,total_physical_reads N'物理读取总次数'
,total_logical_reads/execution_count N'每次逻辑读次数'
,total_logical_reads N'逻辑读取总次数'
,total_logical_writes N'逻辑写入总次数'
, execution_count N'执行次数'
, total_worker_time/1000 N'所用的CPU总时间ms'
, total_elapsed_time/1000 N'总花费时间ms'
, (total_elapsed_time / execution_count)/1000 N'平均时间ms'
,SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offsetEND
- qs.statement_start_offset)/2) + 1) N'执行语句'
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) st
where SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offsetEND
- qs.statement_start_offset)/2) + 1) not like'%fetch%'
ORDER BY total_elapsed_time / execution_count DESC;