依据测试,如下检查SQL在2005中可执行,但2K中不行,请问2K里可以实现吗?
--查找Query Plan的CPU相关统计
--总计耗费CPU时间最长的查询计划
SELECT TOP 5 total_worker_time, last_worker_time,
max_worker_time, min_worker_time,
SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2) + 1) as statement_text
FROM sys.dm_exec_query_stats as qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as st
ORDER BY total_worker_time DESC--单次执行耗费CPU时间最长的查询计划
SELECT TOP 5 total_worker_time, last_worker_time,
max_worker_time, min_worker_time,
SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2) + 1) as statement_text
FROM sys.dm_exec_query_stats as qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as st
ORDER BY max_worker_time DESC--利用次数最多的查询计划
SELECT TOP 5 creation_time, last_execution_time,
execution_count,
SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2) + 1) as statement_text
FROM sys.dm_exec_query_stats as qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as st
ORDER BY execution_count DESC
GO
--查找Query Plan的CPU相关统计
--总计耗费CPU时间最长的查询计划
SELECT TOP 5 total_worker_time, last_worker_time,
max_worker_time, min_worker_time,
SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2) + 1) as statement_text
FROM sys.dm_exec_query_stats as qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as st
ORDER BY total_worker_time DESC--单次执行耗费CPU时间最长的查询计划
SELECT TOP 5 total_worker_time, last_worker_time,
max_worker_time, min_worker_time,
SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2) + 1) as statement_text
FROM sys.dm_exec_query_stats as qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as st
ORDER BY max_worker_time DESC--利用次数最多的查询计划
SELECT TOP 5 creation_time, last_execution_time,
execution_count,
SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2) + 1) as statement_text
FROM sys.dm_exec_query_stats as qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as st
ORDER BY execution_count DESC
GO
SET SHOWPLAN_TEXT ON
GO
SELECT TOP 1 a.au_lname AS 'AuthorLastName', a.au_fname AS 'AuthorFirstName',
t.title AS 'Title', t.pubdate AS 'PublicationDate'
FROM dbo.Authors a
INNER JOIN dbo.TitleAuthor ta
ON a.au_id = ta.au_id
INNER JOIN dbo.Titles t
ON ta.title_id = t.title_id
WHERE a.state = 'CA'