查询历史是否存储在一些日志文件中?如果有,你能告诉我怎么找到他们的位置吗?如果没有,你能给我一些建议吗?
当前回答
我使用下面的查询来跟踪未启用跟踪分析器的SQL服务器上的应用程序活动。 该方法使用查询存储(SQL Server 2016+)而不是DMV的。这提供了更好的查看历史数据的能力,以及更快的查找。 捕获sp_who/sp_whoisactive无法捕获的短时间运行的查询是非常有效的。
/* Adjust script to your needs.
Run full script (F5) -> Interact with UI -> Run full script again (F5)
Output will contain the queries completed in that timeframe.
*/
/* Requires Query Store to be enabled:
ALTER DATABASE <db> SET QUERY_STORE = ON
ALTER DATABASE <db> SET QUERY_STORE (OPERATION_MODE = READ_WRITE, MAX_STORAGE_SIZE_MB = 100000)
*/
USE <db> /* Select your DB */
IF OBJECT_ID('tempdb..#lastendtime') IS NULL
SELECT GETUTCDATE() AS dt INTO #lastendtime
ELSE IF NOT EXISTS (SELECT * FROM #lastendtime)
INSERT INTO #lastendtime VALUES (GETUTCDATE())
;WITH T AS (
SELECT
DB_NAME() AS DBName
, s.name + '.' + o.name AS ObjectName
, qt.query_sql_text
, rs.runtime_stats_id
, p.query_id
, p.plan_id
, CAST(p.last_execution_time AS DATETIME) AS last_execution_time
, CASE WHEN p.last_execution_time > #lastendtime.dt THEN 'X' ELSE '' END AS New
, CAST(rs.last_duration / 1.0e6 AS DECIMAL(9,3)) last_duration_s
, rs.count_executions
, rs.last_rowcount
, rs.last_logical_io_reads
, rs.last_physical_io_reads
, q.query_parameterization_type_desc
FROM (
SELECT *, ROW_NUMBER() OVER (PARTITION BY plan_id, runtime_stats_id ORDER BY runtime_stats_id DESC) AS recent_stats_in_current_priod
FROM sys.query_store_runtime_stats
) AS rs
INNER JOIN sys.query_store_runtime_stats_interval AS rsi ON rsi.runtime_stats_interval_id = rs.runtime_stats_interval_id
INNER JOIN sys.query_store_plan AS p ON p.plan_id = rs.plan_id
INNER JOIN sys.query_store_query AS q ON q.query_id = p.query_id
INNER JOIN sys.query_store_query_text AS qt ON qt.query_text_id = q.query_text_id
LEFT OUTER JOIN sys.objects AS o ON o.object_id = q.object_id
LEFT OUTER JOIN sys.schemas AS s ON s.schema_id = o.schema_id
CROSS APPLY #lastendtime
WHERE rsi.start_time <= GETUTCDATE() AND GETUTCDATE() < rsi.end_time
AND recent_stats_in_current_priod = 1
/* Adjust your filters: */
-- AND (s.name IN ('<myschema>') OR s.name IS NULL)
UNION
SELECT NULL,NULL,NULL,NULL,NULL,NULL,dt,NULL,NULL,NULL,NULL,NULL,NULL, NULL
FROM #lastendtime
)
SELECT * FROM T
WHERE T.query_sql_text IS NULL OR T.query_sql_text NOT LIKE '%#lastendtime%' -- do not show myself
ORDER BY last_execution_time DESC
TRUNCATE TABLE #lastendtime
INSERT INTO #lastendtime VALUES (GETUTCDATE())
其他回答
[因为这个问题可能会作为一个重复的问题结束。]
如果SQL Server还没有重新启动(并且计划还没有被清除等等),您可能能够在计划缓存中找到该查询。
SELECT t.[text]
FROM sys.dm_exec_cached_plans AS p
CROSS APPLY sys.dm_exec_sql_text(p.plan_handle) AS t
WHERE t.[text] LIKE N'%something unique about your query%';
如果你因为Management Studio崩溃而丢失了文件,你可以在这里找到恢复文件:
C:\Users\<you>\Documents\SQL Server Management Studio\Backup Files\
否则,你将需要使用其他工具来帮助你保存查询历史,比如Ed Harper的回答中提到的SSMS Tools Pack——尽管它在SQL Server 2012+中不是免费的。或者您可以设置一些轻量级跟踪过滤您的登录名或主机名(但请使用服务器端跟踪,而不是Profiler)。
正如@Nenad-Zivkovic评论的那样,加入sys可能会有帮助。Dm_exec_query_stats和last_execution_time排序:
SELECT t.[text], s.last_execution_time
FROM sys.dm_exec_cached_plans AS p
INNER JOIN sys.dm_exec_query_stats AS s
ON p.plan_handle = s.plan_handle
CROSS APPLY sys.dm_exec_sql_text(p.plan_handle) AS t
WHERE t.[text] LIKE N'%something unique about your query%'
ORDER BY s.last_execution_time DESC;
系统不会以这种方式记录查询。如果你知道你想提前这么做,你可以使用SQL Profiler来记录将要输入的内容,并在Profiler运行期间跟踪查询。
如果您需要通过SMSS执行的查询的历史记录。
你可能想试试SSMSPlus。
https://github.com/akarzazi/SSMSPlus
这个特性在SSMS中并不是现成的。
您需要SSMS 18或更新版本。
声明:我是作者。
我使用下面的查询来跟踪未启用跟踪分析器的SQL服务器上的应用程序活动。 该方法使用查询存储(SQL Server 2016+)而不是DMV的。这提供了更好的查看历史数据的能力,以及更快的查找。 捕获sp_who/sp_whoisactive无法捕获的短时间运行的查询是非常有效的。
/* Adjust script to your needs.
Run full script (F5) -> Interact with UI -> Run full script again (F5)
Output will contain the queries completed in that timeframe.
*/
/* Requires Query Store to be enabled:
ALTER DATABASE <db> SET QUERY_STORE = ON
ALTER DATABASE <db> SET QUERY_STORE (OPERATION_MODE = READ_WRITE, MAX_STORAGE_SIZE_MB = 100000)
*/
USE <db> /* Select your DB */
IF OBJECT_ID('tempdb..#lastendtime') IS NULL
SELECT GETUTCDATE() AS dt INTO #lastendtime
ELSE IF NOT EXISTS (SELECT * FROM #lastendtime)
INSERT INTO #lastendtime VALUES (GETUTCDATE())
;WITH T AS (
SELECT
DB_NAME() AS DBName
, s.name + '.' + o.name AS ObjectName
, qt.query_sql_text
, rs.runtime_stats_id
, p.query_id
, p.plan_id
, CAST(p.last_execution_time AS DATETIME) AS last_execution_time
, CASE WHEN p.last_execution_time > #lastendtime.dt THEN 'X' ELSE '' END AS New
, CAST(rs.last_duration / 1.0e6 AS DECIMAL(9,3)) last_duration_s
, rs.count_executions
, rs.last_rowcount
, rs.last_logical_io_reads
, rs.last_physical_io_reads
, q.query_parameterization_type_desc
FROM (
SELECT *, ROW_NUMBER() OVER (PARTITION BY plan_id, runtime_stats_id ORDER BY runtime_stats_id DESC) AS recent_stats_in_current_priod
FROM sys.query_store_runtime_stats
) AS rs
INNER JOIN sys.query_store_runtime_stats_interval AS rsi ON rsi.runtime_stats_interval_id = rs.runtime_stats_interval_id
INNER JOIN sys.query_store_plan AS p ON p.plan_id = rs.plan_id
INNER JOIN sys.query_store_query AS q ON q.query_id = p.query_id
INNER JOIN sys.query_store_query_text AS qt ON qt.query_text_id = q.query_text_id
LEFT OUTER JOIN sys.objects AS o ON o.object_id = q.object_id
LEFT OUTER JOIN sys.schemas AS s ON s.schema_id = o.schema_id
CROSS APPLY #lastendtime
WHERE rsi.start_time <= GETUTCDATE() AND GETUTCDATE() < rsi.end_time
AND recent_stats_in_current_priod = 1
/* Adjust your filters: */
-- AND (s.name IN ('<myschema>') OR s.name IS NULL)
UNION
SELECT NULL,NULL,NULL,NULL,NULL,NULL,dt,NULL,NULL,NULL,NULL,NULL,NULL, NULL
FROM #lastendtime
)
SELECT * FROM T
WHERE T.query_sql_text IS NULL OR T.query_sql_text NOT LIKE '%#lastendtime%' -- do not show myself
ORDER BY last_execution_time DESC
TRUNCATE TABLE #lastendtime
INSERT INTO #lastendtime VALUES (GETUTCDATE())
如果需要,可以通过SQL Profiler监视SQL查询
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